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1,026 Images of 375 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5411357 black spot of elm Stegophora ulmea leaf spots
5495444 Allegheny serviceberry Amelanchier laevis Foliage on 1 cm grid
5495445 Allegheny serviceberry Amelanchier laevis Overwintering twig with terminal bud and size bars
5492375 oak wilt Ceratocystis fagacearum C. fagacearum culture on APDA+ medium Host: Quercus virginiana
5492475 paperbark maple Acer griseum Leaf on 1 cm grid
5492407 black maple Acer nigrum Acer saccharum bud on right Acer nigrum bud on left
5494828 sugar maple Acer saccharum Leaf with size bar
5494792 purpleblow maple Acer truncatum Leaf with size bar
5488104 Ohio buckeye Aesculus glabra Bud is not sticky
5488108 Ohio buckeye Aesculus glabra Leaf showing size bar
5488094 yellow buckeye Aesculus flava Bud
5488128 common horse chestnut Aesculus hippocastanum Leaf on a 1cm grid as background
5495385 European alder Alnus glutinosa Twig with size bar
5495388 European alder Alnus glutinosa Twig with overwintering male catkins
5488117 Ohio buckeye Aesculus glabra Buckeye leaf on left horsechestnut leaf on right
5495193 phylloxera Phylloxera popularia Collected from Populus tremuloides. Crawler
5495200 willow scale Diaspidiotus gigas Scale on aspen bark
5495201 willow scale Diaspidiotus gigas Willow scale crawler
5495202 willow scale Diaspidiotus gigas
5495263 long-horned beetle Neoclytus spp.
5494982 Hypoxylon canker Biscogniauxia atropunctata Closeup of the stoma showing raised black dots which are the necks of the perithecia (Sexual Stage)
5492414 hedge maple Acer campestre Leaf on 1 cm grid
5492408 hedge maple Acer campestre Bud
5490246 trident maple Acer buergerianum Bud with 1mm marks on ruler
5490247 trident maple Acer buergerianum Bud and size bar
5494827 Sycamore maple Acer pseudoplatanus
5494774 sugar maple Acer saccharum
5494473 silver maple Acer saccharinum
5494469 striped maple Acer pensylvanicum
5494466 striped maple Acer pensylvanicum
5492784 Nikko maple Acer maximowiczianum Twig with size comparison
5492792 Ganoderma root and butt rot Ganoderma lucidum Lacquered polypore is parasitic on living hardwoods and a saprobe on the deadwood of hardwoods. On living hardwoods, it causes a white butt and root rot. It is unusual in that it is an annual rather than a perennial like many polypores.
5491400 Ravenelia rusts Ravenelia spp. aecia with aeciospores
5491401 Ravenelia rusts Ravenelia spp. aecia containing aeciospores
5492377 oak wilt Ceratocystis fagacearum veinal necrosis
5490216 Thousand Cankers Disease Geosmithia morbida Canker produced by Geosmithia morbida around gallery of walnut twig beetle in southern California walnut
5491405 Verticillium wilts Verticillium spp. asexual conidiophores and spores
5491406 Verticillium wilts Verticillium spp. asexual conidiophores and spores
5491404 Cynipid gall wasp
5488702 Asian chestnut gall wasp Dryocosmus kuriphilus European chestnut bud infested by Dryocosmus kuriphilus. Bud dissected to reveal first instar larva.
5448650 European alder Alnus glutinosa
5448647 European alder Alnus glutinosa
5448648 European alder Alnus glutinosa
5448649 European alder Alnus glutinosa
5448631 European alder Alnus glutinosa
5448525 Norway maple Acer platanoides Milky Sap of Norway Maple
5411358 black spot of elm Stegophora ulmea leaf spots
5448477 Norway maple Acer platanoides
5448478 Norway maple Acer platanoides
5448479 Norway maple Acer platanoides
5448480 Norway maple Acer platanoides
5448481 Norway maple Acer platanoides
5469114 Dutch elm disease Ophiostoma ulmi
5469115 Dutch elm disease Ophiostoma ulmi
5469116 gloomy scale Melanaspis tenebricosa
5433171 oleander scale Aspidiotus nerii Intercepted on Laurus nobilis from Argentina by E. Patten of Customs and Border Protection at Atlanta International Airport.  
5483039 butternut canker Sirococcus clavigignenti-juglandacearum Butternut canker symptoms before (bottom) and after (top) bark is removed.
5483034 Verticillium wilt Verticillium dahliae Microsclerotia of Verticillium dahliae form in agar culture following isolation of the fungus.
5433166 woolly whitefly Aleurothrixus floccosus Intercepted on Laurus nobilis from St. Lucia by T. Powell of Customs and Border Protection at Atlanta International Airport.  
5433167 woolly whitefly Aleurothrixus floccosus Intercepted on Laurus nobilis from St. Lucia by T. Powell of Customs and Border Protection at Atlanta International Airport.
5433457 Ross's black scale Lindingaspis rossi Intercepted on Laurus nobilis from Argentina by E. Patten at Atlanta International Airport Custom and Border Protection
5479908 Melampsora rust Melampsora epitea leaf spots  
5479920 bacterial leaf scorch Xylella fastidiosa A yellow border between green and necrotic tissue is a typical symptom of bacterial leaf scorch
5479921 bacterial leaf scorch Xylella fastidiosa A yellow border between green and necrotic tissue is a typical symptom of bacterial leaf scorch
5479814 bacterial leaf scorch Xylella fastidiosa A yellow border between green and necrotic tissue is a typical symptom of bacterial leaf scorch
5479815 bacterial leaf scorch Xylella fastidiosa A yellow border between green and necrotic tissue is a typical symptom of bacterial leaf scorch
5479855 Phytophthora root rot Phytophthora cinnamomi Sporangia
5479856 Phytophthora root rot Phytophthora cinnamomi Sporangia
5479857 Phytophthora root rot Phytophthora cinnamomi Grape-like clusters of hyphal swellings
5479816 bacterial leaf scorch Xylella fastidiosa A yellow border between green and necrotic tissue is a typical symptom of bacterial leaf scorch?
5479817 bacterial leaf scorch Xylella fastidiosa A yellow border between green and necrotic tissue is a typical symptom of bacterial leaf scorch?
5451458 mountain-ash sawfly Pristiphora geniculata
1860032 butternut woolyworm Eriocampa juglandis Ovipositor of female
1398065 galls Leaf galls. Collected in Ramsey Co., MN.
5472902 kermes scales Kermes spp. Female Lecanium scale opened to reveal many eggs.
5472903 kermes scales Kermes spp. Female Lecanium scale (Lecanium sp.) opened to reveal many eggs.
5472898 kermes scales Kermes spp. Close-up of female Lecanium scales on White oak.
5472899 kermes scales Kermes spp. Close-up of female Lecanium scales on White oak.
5472900 kermes scales Kermes spp. Close-up of 2 female Lecanium scales on White oak.
5472901 kermes scales Kermes spp. Female Lecanium scale opened to reveal many eggs.
5472895 kermes scales Kermes spp. Close-up of eggs of Lecanium scale on White oak.
5472896 kermes scales Kermes spp. White oak with dieback of new terminal growth caused by a Lecanium scale.
5472897 kermes scales Kermes spp. White oak with dieback of new terminal growth caused by a Lecanium scale.
1626085 maple bladdergall mite Vasates quadripedes Maple bladder galls are small globular growths on the upper surface of red and silver maple leaves. The galls can be either red or green, and they may occur singly or in clusters.
5476480 Septoria leaf spot Septoria betulae Conidia evident. Crushed leaf tissue.
5476441 Ascochyta fungi Ascochyta spp. Vertical section of pycnidium ostiolar region
5476439 Ascochyta fungi Ascochyta spp. Vertical section of pycnidium ostiolar region
5476440 Ascochyta fungi Ascochyta spp. Vertical section of pycnidium ostiolar region
5476437 Ascochyta fungi Ascochyta spp. Vertical section of pycnidium
5476438 Ascochyta fungi Ascochyta spp. Vertical section of pycnidium
5476436 Ascochyta fungi Ascochyta spp. Vertical section of pycnidium
5476435 Ascochyta fungi Ascochyta spp. Pycnidium showing ostiole
5476434 Ascochyta fungi Ascochyta spp. Conidia-
5476483 Septoria leaf spot Septoria betulae Conidium
5476484 Septoria leaf spot Septoria betulae Symptoms (Aug.10)
5476482 Septoria leaf spot Septoria betulae Conidia
5476479 Septoria leaf spot Septoria betulae Black pycnidia evident in leaf spot
5476481 Septoria leaf spot Septoria betulae Conidia from crushed leaf tissue
5476478 Septoria leaf spot Septoria betulae Black pycnidia evident in leaf spot
5476433 Phoma blight Phoma exigua var. exigua Symptoms
5476037 hickory bullet gall midge Caryomyia tubicola Leaves of a species of Hickory with bullet or tube galls caused by the midge, Caryomyia tubicola.
5476038 hickory bullet gall midge Caryomyia tubicola Leaves of a species of Hickory with bullet or tube galls caused by the midge, Caryomyia tubicola.
5476039 hickory bullet gall midge Caryomyia tubicola Two bullet or tube galls caused by the midge, Caryomyia tubicola protruding from the lower surface of a hickory leaf. One tube has been removed.
5476040 hickory bullet gall midge Caryomyia tubicola View of the top surface of a hickory leaf where three bullet or tube galls caused by the midge, Caryomyia tubicola, are attached.
5476041 hickory bullet gall midge Caryomyia tubicola Areas in the lower leaf surface after three bullet or tube galls caused by the midge, Caryomyia tubicola were removed from the lower surface of a hickory leaf.
5476042 hickory bullet gall midge Caryomyia tubicola Two bullet or tube galls caused by the midge, Caryomyia tubicola, removed from the lower surface of a hickory leaf.
5476044 hickory bullet gall midge Caryomyia tubicola One bullet or tube gall opened to reveal a larvae of the midge, Caryomyia tubicola.
5476043 hickory bullet gall midge Caryomyia tubicola One bullet or tube gall opened to reveal a larvae of the midge, Caryomyia tubicola.
5471798 emerald ash borer Agrilus planipennis
5471789 emerald ash borer Agrilus planipennis
5471775 emerald ash borer Agrilus planipennis Emerald Ash Borer can affect Ash (Fraxinus Spp.)
5472894 Lecanium scales Lecanium spp. White oak with dieback of new terminal growth caused by a Lecanium scale.
1441083 western tent caterpillar Malacosoma californicum Nebraska National Forest
5458397 horned oak gall Callirhytis cornigera Damage
5458401 horned oak gall Callirhytis cornigera Horn
1626051 whiteflies Immature whiteflies may be confused with scale insects, but are much smaller.
1223059 blackmargined aphid Monellia caryella
1223062 yellow pecan aphid Monelliopsis pecanis 1st instar
5458619 Asian longhorned beetle Anoplophora glabripennis Adult Asian longhorned beetle.
1546122 chestnut timberworm Melittomma sericeum Wormy chestnut lumber
5458016 American holly Ilex opaca Close up of healthy drupes and seeds, ruler is in inches
5433308 acorn and nut weevils Curculio spp. Intercepted on Carya from USA by T. Brakney at Savannah International Airport Plant Protection and Quarantine
5433309 acorn and nut weevils Curculio spp. Intercepted on Carya from USA by T. Brakney at Savannah International Airport Plant Protection and Quarantine
5433310 acorn and nut weevils Curculio spp. Intercepted on Castanea crenata from Korea by C. Cardona at Atlanta International Airport Custom and Border Protection
5433311 seed worms Cydia spp. Intercepted on Castanea crenata from Korea by C. Cardona at Atlanta International Airport Custom and Border Protection
5430344 Florida red scale Chrysomphalus aonidum eggs also present.
5457972 maple cankers Stegonsporium spp. dark spores
5457973 maple cankers Stegonsporium spp. fruiting body with mature spores
5458326 walnut twig beetle Pityophthorus juglandis Walnut twig beetle larvae residing in a gallery under the bark of a black walnut.
5457963 Dutch elm disease (novi-ulmi) Ophiostoma novo-ulmi Synemmata developing within a wound on an elm branch.
5449378 emerald ash borer Agrilus planipennis Neonate larva of emerald ash borer after hatching from its egg in the laboratory.  The dime is for scale.
5449379 emerald ash borer Agrilus planipennis In spring and summer, emerald ash borer (EAB) larvae pupate in cells chewed by mature larvae in the outer sapwood or bark of ash trees.  This photo shows gradual maturation of EAB pupae to the adult stage by holding J-larvae or prepae, dissected from infested ash trees, in Petri dishes.  This process takes about a month. 
5449380 emerald ash borer Agrilus planipennis Emerald ash borer adult feeding on an ash leaf.
5448660 European alder Alnus glutinosa
5448646 European alder Alnus glutinosa
5448644 European alder Alnus glutinosa
5448643 European alder Alnus glutinosa
5448641 European alder Alnus glutinosa
5448642 European alder Alnus glutinosa
5448639 European alder Alnus glutinosa
1476113 pin oak kermes Allokermes galliformis Kermes scale and assocaited sticky ooze
1476114 pin oak kermes Allokermes galliformis
5432764 linden looper Erannis tiliaria
5443354 brown marmorated stink bug Halyomorpha halys image captured post-mortem
1860039 butternut woolyworm Eriocampa juglandis
4822063 ash rusts Puccinia sparganioides Leaf distortion, petiole hypertrophy and distinctive pycnia and aecial "cluster cup" with orange-yellow aeciospores proliferating from the surface of infected tissue.
4215062 oak wilt Ceratocystis fagacearum vascular discoloration in red oak
3717006 variable oakleaf caterpillar Lochmaeus manteo Full grown
3717008 variable oakleaf caterpillar Lochmaeus manteo Full grown
3717001 variable oakleaf caterpillar Lochmaeus manteo
3717002 variable oakleaf caterpillar Lochmaeus manteo
3057027 carpenterworm Prionoxystus robiniae lateral bark scar
3057054 poplar tentmaker Clostera inclusa defoliation of plantation
3056049 willow shoot sawfly Janus abbreviatus in stem (Fig. 235C in USDA Forest Service Ag. Handbook AH-706, 1995)
3056028 oak stem borer Aneflomorpha subpubescens in red oak sprout (fig. 165 C in USDA Forest Service Ag. Handbook AH-706, 1995)
3046023 frost and winter injury (general) frost crack
3046016 trunk borers
0355010 petiolegall psyllid Pachypsylla venusta on oak
1262003 Asian longhorned beetle Anoplophora glabripennis form nobilis
1436062 crown gall Rhizobium radiobacter on roots
1413001 camphor shot borer Xylosandrus mutilatus Lateral view
3066066 hickory agrilus Agrilus otiosus bark removed to expose spiral swellings over gallery beneath
3067015 locust borer Megacyllene robiniae
4823018 Inonotus heartrot Inonotus rickii Advanced wood decay. Note the distinct, narrow darkened zones of sound wood at the martgins of the decayed wood.
4822090 Neonectria canker Neonectria galligena Red-orange spherical perithecia wich occur singly or in clusters in the fissured bark of infected stems
1233152 hickory horned devil Citheronia regalis
1627054 elm leaf beetle Xanthogaleruca luteola During severe outbreaks, entire trees may be covered with brown, skeletonized leaves.
1326008 oak rough bulletgall wasp Disholcaspis quercusmamma Winged adult form
1419309 elm argid sawfly Arge scapularis
1419362 cherry webspinning sawfly Neurotoma fasciata
1419273 dusky birch sawfly Croesus latitarsus
1419276 dusky birch sawfly Croesus latitarsus
1419357 willow oak sawfly Arge quidia
1419287 elm argid sawfly Arge scapularis Male
1419311 elm argid sawfly Arge scapularis
1419315 elm argid sawfly Arge scapularis
1419307 elm argid sawfly Arge scapularis
1419179 cottonwood leaf beetle Chrysomela scripta on Willow
1419180 cottonwood leaf beetle Chrysomela scripta on cottonwood
1419204 common sawflies Nematus spp. on willow
1419210 common sawflies Nematus spp. reared from larva found on willow
1419285 elm argid sawfly Arge scapularis male
1234089 sycamore anthracnose Apiognomonia veneta
2154039 musk beetle Aromia moschata dorsal view
2154047 Japanese pine sawyer Monochamus alternatus dorsal view
2154049 small white-marmorated long-horned beetle Monochamus sutor dorsal view
2154043 bamboo borer Chlorophorus annularis dorsal view
2154044 bamboo borer Chlorophorus annularis ventral view
2154045 Chinese longhorned beetle Hesperophanes campestris dorsal view
2154046 Chinese longhorned beetle Hesperophanes campestris ventral view
2154048 Japanese pine sawyer Monochamus alternatus ventral view
2154040 musk beetle Aromia moschata ventral view
2154056 European hardwood ambrosia beetle Trypodendron domesticum dorsal view
2154057 European hardwood ambrosia beetle Trypodendron domesticum left lateral view
2154058 European hardwood ambrosia beetle Trypodendron domesticum right lateral view
2154059 European hardwood ambrosia beetle Trypodendron domesticum ventral view
2154050 small white-marmorated long-horned beetle Monochamus sutor ventral view
2154053 long-horned beetle Purpuricenus kaehleri dorsal view
2154055 kulsi teak borer Stromatium barbatum dorsal view
0284073 hickory spiral borer Agrilus arcuatus torquatus stem gridled and severed
0284077 poplar twig borer Oberea delongi larvae in shoots
0284083 hickory shoot curculio Conotrachelus aratus and damage to terminal shoot
5115005 striped mealybug Ferrisia virgata Collector: K.Miller Date of photograph or collection: 5/8/1987
5112030 green shield scale Pulvinaria psidii Collector: Croce/Green; Date of photograph or collection: 5/28/1976
5112031 green shield scale Pulvinaria psidii Collector: R.Vasquez; Date of photograph or collection: 12/1981
5112032 green shield scale Pulvinaria psidii Collector: R.Vasquez Date of photograph or collection: 12/1981
5112033 green shield scale Pulvinaria psidii Collector: Croce/Green Date of photograph or collection: 5/28/1976
5112034 green shield scale Pulvinaria psidii Collector: R.Vasquez Date of photograph or collection: 12/1981
5112041 armored scale Andaspis punicae Collector: J.Xerogeanes Date of photograph or collection: 12/23/1991
5112042 armored scale Andaspis punicae Collector: J.Xerogeanes Date of photograph or collection: 12/23/1991
5112043 armored scale Andaspis punicae Collector: J.Xerogeanes Date of photograph or collection: 12/23/1991
5112046 armored scale Andaspis punicae Collector: J.Xerogeanes Date of photograph or collection: 12/23/1991
5119002 mining scale Howardia biclavis Collector: H. Miller Date of photograph or collection: 01/27/1980
5119003 mining scale Howardia biclavis Collector: H. Miller Date of photograph or collection: 01/27/1980
5119005 mining scale Howardia biclavis Collector: Davidson Date of photograph or collection: 07/04/1994
5119007 mining scale Howardia biclavis Collector: Davidson Date of photograph or collection: 04/1994
5120039 fig scale Lepidosaphes conchiformis Collector: D.R.Miller Date of photograph or collection: 7/20/1979
5120040 fig scale Lepidosaphes conchiformis Collector: J.Davidson Date of photograph or collection: 7/20/1979
5120044 fig scale Lepidosaphes conchiformis Collector: D.R.Miller Date of photograph or collection: 7/20/1979
5120083 hawthorn mealybug Phenacoccus dearnessi Collector: F. Horn Date of photograph or collection: 06/14/1976
5118032 orchid scale Conchaspis angraeci Collector: D.R. Miller Date of photograph or collection: 03/20/1977
5112100 soft scale Toumeyella quadrifasciatum Collector: Randall/May Date of photograph or collection: 10/5/1982
5113001 soft scale Toumeyella quadrifasciatum Collector: Randall/May Date of photograph or collection: 10/5/1982
5109055 European elm scale Eriococcus spuria on Ulmus parvifolia 'Sempervirens'
5114092 wax scale Pulvinaria urbicola Date of photograph or collection: 3/27/1977
5112013 wax scale Parthenolecanium pruinosum Collector: Dreistadt Date of photograph or collection: 3/26/1994
5112014 wax scale Parthenolecanium pruinosum Collector: M.Croce Date of photograph or collection: 4/24/1984
5112027 citricola scale Coccus pseudomagnoliarum Collector: Dreistadt; Date of photograph or collection: 03/26/1994
5112028 citricola scale Coccus pseudomagnoliarum Collector: Dreistadt; Date of photograph or collection: 03/26/1994
5112094 soft scale Toumeyella quadrifasciatum Collector: Randall/May Date of photograph or collection: 10/5/1982
5112095 soft scale Toumeyella quadrifasciatum Collector: Randall/May Date of photograph or collection: 10/5/1982
5112096 soft scale Toumeyella quadrifasciatum Collector: Randall/May Date of photograph or collection: 10/5/1982
5112097 soft scale Toumeyella quadrifasciatum Collector: Randall/May Date of photograph or collection: 10/5/1982
5112098 soft scale Toumeyella quadrifasciatum Collector: Randall/May Date of photograph or collection: 10/5/1982
5112099 soft scale Toumeyella quadrifasciatum Collector: Randall/May Date of photograph or collection: 10/5/1982
5121052 soft scale Ceroplastes dugesii Collector: D.R.Miller Date of photograph or collection: 03/27/1977
5122073 Mexican mealybug Phenacoccus gossypii Collector: Buxton Date of photograph or collection: 10/13/1978
5113005 oak eriococcin Eriococcus quercus Collector: R.J.Gill/ N.Smith Date of photograph or collection: 4/24/1981
5113006 oak eriococcin Eriococcus quercus Collector: R.J.Gill/ N.Smith Date of photograph or collection: 4/24/1981
5113008 giant coccid Kuwania quercus Collector: T.Kono Date of photograph or collection: 06/22/1979
5113009 giant coccid Kuwania quercus Collector: T.Kono Date of photograph or collection: 06/22/1979
5113011 giant coccid Kuwania quercus Collector: T.Kono Date of photograph or collection: 06/22/1979
5113012 giant coccid Kuwania quercus Collector: D.Opgenorth Date of photograph or collection: 05/27/1986
5113013 giant coccid Kuwania quercus ollector: D.Opgenorth Date of photograph or collection: 05/27/1986
5113014 giant coccid Kuwania quercus Collector: D.Opgenorth Date of photograph or collection: 05/27/1986
5113015 giant coccid Kuwania quercus Collector: D.Opgenorth Date of photograph or collection: 05/27/1986
5113016 giant coccid Kuwania quercus Collector: T.Kono Date of photograph or collection: 06/22/1979
5113017 armored scale Quernaspis quercus Collector: J.A.Davidson Date of photograph or collection: 7/18/1979
5113018 armored scale Quernaspis quercus Collector: Thomas/ Akana Date of photograph or collection: 10/31/1975
5113019 armored scale Quernaspis quercus Collector: Thomas/ Akana Date of photograph or collection: 10/31/1975
5113020 armored scale Quernaspis quercus Collector: J.A.Davidson Date of photograph or collection: 8/1/1979
5113023 armored scale Quernaspis quercus Collector: J.A.Davidson Date of photograph or collection: 7/18/1979
5113024 giant coccids Xylococculus quercus Collector: Gianelli/Gill Date of photograph or collection: 07/28/1981
5113026 giant coccids Xylococculus quercus Collector: Brown/Gill Date of photograph or collection: 09/30/1981
5113027 giant coccids Xylococculus quercus Collector: Gianelli/Gill Date of photograph or collection: 07/28/1981
5113028 giant coccids Xylococculus quercus Collector: Brown/Gill Date of photograph or collection: 09/30/1981
5113029 giant coccids Xylococculus quercus Collector: Brown/Gill Date of photograph or collection: 09/30/1981
5113030 giant coccids Xylococculus quercus Collector: Gianelli/Gill Date of photograph or collection: 07/28/1981
5113031 giant coccids Xylococculus quercus Collector: Gianelli/Gill Date of photograph or collection: 07/28/1981
5113033 giant coccids Xylococculus quercus Collector: Gianelli/Gill Date of photograph or collection: 07/28/1981
5113034 giant coccids Xylococculus quercus Collector: Gianelli/Gill Date of photograph or collection: 07/28/1981
5114081 oystershell scale Lepidosaphes ulmi Collector: J.A.Davidson Date of photograph or collection: 8/20/1980
5114098 golden oak scale Asterolecanium variolosum Collector: S.Dreistat Date of photograph or collection: 02/07/1991
5114099 golden oak scale Asterolecanium variolosum Collector: S.Dreistat Date of photograph or collection: 02/07/1991
5114100 golden oak scale Asterolecanium variolosum Collector: S.Dreistat Date of photograph or collection: 02/07/1991
5115007 striped mealybug Ferrisia virgata Collector: Haig Date of photograph or collection: 9/17/1975
5115006 striped mealybug Ferrisia virgata Collector: Haig Date of photograph or collection: 9/17/1975
5118028 giant coccid Xylococculus alni Collector: Haig/Spadoni Date of photograph or collection: 07/29/1981
5118029 giant coccid Xylococculus alni Collector: Haig/Spadoni Date of photograph or collection: 07/29/1981
5118030 giant coccid Xylococculus alni Collector: Haig/Spadoni Date of photograph or collection: 07/29/1981
5118097 giant coccid Xylococculus betulae Collector: M. Rhoades Date of photograph or collection: 06/1980
5119001 pit scales Asterolecanium spp. Collector: A.Walker
5119004 mining scale Howardia biclavis Collector: Davidson Date of photograph or collection: 01/27/1980
5119008 armored scale Chrysomphalus bifasciculatus Collector: D.R.Miller Date of photograph or collection: 07/20/1979
5119009 armored scale Chrysomphalus bifasciculatus Collector: D.R.Miller Date of photograph or collection: 07/20/1979
5120057 European fruit lecanium Parthenolecanium corni Collector: R.J.Gill Date of photograph or collection: 04/01/1981
5124067 armored scale Crassaspis multipora
5111069 aphids Collector: M. J. Cody; Date of photograph or collection: 04/29/1993
5111070 Saratoga spittlebug Aphrophora saratogensis and nymph. Collector: M. J. Cody; Date of photograph or collection: 04/29/1993
5111071 aphids Collector: M. J. Cody; Date of photograph or collection: 04/29/1993
5124013 false pit scales Lecanodiaspis spp. Collector: Alton Walker Date of photograph or collection: 02/1976
5111066 sycamore scale Stomacoccus platani Collector: R.J.Gill; Date of photograph or collection: 04/27/1976
5111067 aphids Collector: M. J. Cody; Date of photograph or collection: 04/29/1993
5111068 aphids Collector: M. J. Cody; Date of photograph or collection: 04/29/1993
5112006 wax scale Parthenolecanium pruinosum Collector: M.Terry Date of photograph or collection: 4/13/1987
5112007 wax scale Parthenolecanium pruinosum Collector: M.Croce Date of photograph or collection: 4/24/1984
5112008 wax scale Parthenolecanium pruinosum Collector: M.Croce Date of photograph or collection: 4/24/1984
5112009 wax scale Parthenolecanium pruinosum Collector: M.Terry Date of photograph or collection: 4/13/1987
5112011 wax scale Parthenolecanium pruinosum Collector: M.Terry Date of photograph or collection: 4/13/1987
5122096 soft scale Neopulvinaria innumerabilis
1540557 buck moth Hemileuca maia
1540558 buck moth Hemileuca maia
1540860 oak phylloxerids Phylloxera spp.
1540534 hickory horned devil Citheronia regalis
1540546 hickory horned devil Citheronia regalis
1540554 buck moth Hemileuca maia
1540556 buck moth Hemileuca maia
1540520 yellow poplar weevil Odontopus calceatus
5438928 annual cicada Tibicen pruinosa
5438929 annual cicada Tibicen pruinosa
5438926 annual cicada Tibicen pruinosa
5438927 annual cicada Tibicen pruinosa
5436507 black twig borer Xylosandrus compactus
1472081 spotted apatelodes Apatelodes torrefacta adult emerged 20 October 1977; pupated 27 October 1976
1472076 black-etched prominent Cerura scitiscripta Larva on black cherry on October 15, 1992 in Statesboro, GA. The parasitic larva emerged on October 21, 1992. This image was taken on October 19, 1992.
1472079 spotted apatelodes Apatelodes torrefacta larva photo 14 October 1999;larva collected 13 October 1999 near Manassas; pupated 18 October
1472077 black-etched prominent Cerura scitiscripta pupated 24 April 1997, photo 25 April; larva collected on black willow, 9 April 1997; 2nd instar 13 April, 3rd instar 18 April
5435553 sugar maple Acer saccharum
5435554 sugar maple Acer saccharum
5435555 sugar maple Acer saccharum
1523039 red oak clearwing borer Paranthrene simulans
5371575 tree termite Nasutitermes costalis
1543684 boxwood leafminer Monarthropalpus flavus
5430352 Florida red scale Chrysomphalus aonidum scale pygidium with perivulvar pores shown
5430614 cottony cushion scale Icerya purchasi Host: Japanese Maple
5430615 cottony cushion scale Icerya purchasi
5430616 cottony cushion scale Icerya purchasi Host:Japanese maple Adult with nymphs
5424396 bacterial leaf scorch Xylella fastidiosa Leaves of common mulberry showing marginal leaf scorch with yellow border caused by the bacterium, Xylella fastidiosa.
5424397 bacterial leaf scorch Xylella fastidiosa Leaves of common mulberry showing marginal leaf scorch with dark brown and yellow banded border between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424398 bacterial leaf scorch Xylella fastidiosa Single leaf of common mulberry showing marginal leaf scorch with dark brown and yellow banded border between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424407 bacterial leaf scorch Xylella fastidiosa Leaves of red maple showing marginal leaf scorch with diffuse yellow border between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424408 bacterial leaf scorch Xylella fastidiosa Single leaf of red maple showing marginal leaf scorch with diffuse yellow border between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424409 bacterial leaf scorch Xylella fastidiosa Leaves of red maple showing marginal leaf scorch with distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424411 bacterial leaf scorch Xylella fastidiosa Leaf of a maple species showing marginal leaf scorch with broad, distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424414 bacterial leaf scorch Xylella fastidiosa Leaves of English oak show distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424415 bacterial leaf scorch Xylella fastidiosa Leaf of pin oak showing distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424416 bacterial leaf scorch Xylella fastidiosa Leaf of pin oak showing mostly scorched tissue but for a small area near the base where there are distinct bands of discolored tissue caused by the bacterium, Xylella fastidiosa.
5424417 bacterial leaf scorch Xylella fastidiosa Leaves of pin oak showing varying degrees of scorched and banded tissue caused by the bacterium, Xylella fastidiosa.
5424418 bacterial leaf scorch Xylella fastidiosa Leaves of pin oak showing varying degrees of scorched and bands of colors caused by the bacterium, Xylella fastidiosa.
5424423 bacterial leaf scorch Xylella fastidiosa 2 leaves of scarlet oak with distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424425 bacterial leaf scorch Xylella fastidiosa Leaves of shingle oak with distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424452 bacterial leaf scorch Xylella fastidiosa Single leaf of sweetgum showing distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424453 bacterial leaf scorch Xylella fastidiosa Leaves of sycamore with scorch symptoms caused by the bacterium, Xylella fastidiosa.  banding of color is not nearly as distinct as with other tree types.
5424410 sugar maple Acer saccharum Leaves of silver maple showing marginal leaf scorch with distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
0795047 whitemarked tussock moth Orgyia leucostigma dorsal view of male Photograph credited to J. Foltz, J. Butler and J. Castner
5434305 walnut anthracnose Gnomonia leptostyla Walnut Anthracnose- conidia
5434306 walnut anthracnose Gnomonia leptostyla Walnut Anthracnose- conidia
5434307 walnut anthracnose Gnomonia leptostyla Walnut Anthracnose- conidia
5434308 walnut anthracnose Gnomonia leptostyla Walnut Anthracnose- conidia
5430596 magnolia scale Neolecanium cornuparvum Host: Magnolia
5433355 eastern redbud Cercis canadensis
5433356 eastern redbud Cercis canadensis
5433353 eastern redbud Cercis canadensis
5430397 ash bark beetles Hylesinus spp. Host: Ash
5430404 gloomy scale Melanaspis tenebricosa pygidium Host: Silver Maple
5430405 gloomy scale Melanaspis tenebricosa pygidium Host: Silver Maple
5430406 gloomy scale Melanaspis tenebricosa pygidium perivulvar pores absent Host: Silver Maple
5430396 ash bark beetles Hylesinus spp. Host: Ash
5430455 oak slug sawfly Caliroa annulipes Host: Shumard Oak
5430456 oak slug sawfly Caliroa annulipes Host: Shumard Oak
5430457 oak slug sawfly Caliroa annulipes Host: Shumard Oak
5430458 oak slug sawfly Caliroa annulipes Host: Shumard Oak
5430459 oak slug sawfly Caliroa annulipes Host: Shumard Oak
5432194 Eupelmid wasp Calosota elongata Calosota elongata. female(a) male(b)
5432191 Eupelmid wasp Calosota elongata Calosota elongata (male)
5432192 Eupelmid wasp Calosota elongata Calosota elongata (female)
5432337 goldspotted oak borer Agrilus coxalis auroguttatus Goldspotted Oak Borer eggs laid on filter paper in quarantine
5427671 magnolia scale Neolecanium cornuparvum
5427672 magnolia scale Neolecanium cornuparvum
5427673 oak fig gall maker Xanthoceras spp.
5123024 walnut scale Diaspidiotus juglansregiae
5395250 Crimson erineum mite Aceria elongatus
5395258 poplar sawfly Trichiocampus viminalis
5112001 wax scale Parthenolecanium pruinosum
5112002 wax scale Parthenolecanium pruinosum
5112003 wax scale Parthenolecanium pruinosum
5112004 wax scale Parthenolecanium pruinosum
5112005 wax scale Parthenolecanium pruinosum
5109053 European elm scale Eriococcus spuria
5109054 European elm scale Eriococcus spuria
5113002 oak lecanium Parthenolecanium quercifex
5113003 oak lecanium Parthenolecanium quercifex
5122007 kermes scale Allokermes essigii
5122008 kermes scale Allokermes essigii
5120054 European fruit lecanium Parthenolecanium corni
5122097 soft scale Neopulvinaria innumerabilis
5122100 soft scale Neopulvinaria innumerabilis
5123001 soft scale Neopulvinaria innumerabilis
5123002 soft scale Neopulvinaria innumerabilis
5123003 soft scale Neopulvinaria innumerabilis
5123025 walnut scale Diaspidiotus juglansregiae
5431698 Asian longhorned beetle Anoplophora glabripennis
5431700 Asian longhorned beetle Anoplophora glabripennis
5431704 Asian longhorned beetle Anoplophora glabripennis
5431705 Asian longhorned beetle Anoplophora glabripennis
5431708 Asian longhorned beetle Anoplophora glabripennis
5431706 Asian longhorned beetle Anoplophora glabripennis
5431707 Asian longhorned beetle Anoplophora glabripennis oviposition pit
5430464 oak slug sawfly Caliroa annulipes Host: Shumard Oak
5430463 oak slug sawfly Caliroa annulipes Host: Shumard Oak
5430460 oak slug sawfly Caliroa annulipes Host: Shumard Oak
5430461 oak slug sawfly Caliroa annulipes Host: Shumard Oak
5424434 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5424435 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5424437 Marssonina leaf spots Marssonina spp. Spores of a species of the fungus Marssonina.
5430395 ash bark beetles Hylesinus spp. Host:Ash
5430454 oak slug sawfly Caliroa annulipes Host: Shumard Oak
5430444 ash bark beetles Hylesinus spp. Host:Ash
5430445 ash bark beetles Hylesinus spp. Host:Ash
5430446 ash bark beetles Hylesinus spp. host:Ash
5430403 gloomy scale Melanaspis tenebricosa
5395243 maple bladdergall mite Vasates quadripedes
5395253 European fruit lecanium Parthenolecanium corni 1st instar
5395255 European fruit lecanium Parthenolecanium corni
5430398 ash bark beetles Hylesinus spp.
5430447 ash bark beetles Hylesinus spp.
5430448 ash bark beetles Hylesinus spp.
5430399 ash bark beetles Hylesinus spp.
5430466 oak slug sawfly Caliroa annulipes
5427649 cottony cushion scale Icerya purchasi 120x
5427650 cottony cushion scale Icerya purchasi 60x
5427648 bacterial leaf scorch Xylella fastidiosa
5389768 fall cankerworm Alsophila pometaria Smaller third proleg appears to have been pulled up.  The markings are typical of the dark form of this species.
1223127 pecan serpentine leafminer Stigmella judlandifoliella
1223121 pecan serpentine leafminer Stigmella judlandifoliella
1223124 pecan serpentine leafminer Stigmella judlandifoliella
1223126 pecan serpentine leafminer Stigmella judlandifoliella
1419448 mulberry leaftier/roller Glyphodes sibillalis to red mulberry
1669044 cottony maple scale Pulvinaria innumerabilis scales on branch
1120525 witch-hazel Hamamelis virginiana October. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society.
5402501 green lacewing Chrysoperla carnea egg on the trunk of a maple tree
5402502 green lacewing Chrysoperla carnea egg on trunk of maple tree
2089027 polyphemus moth Antheraea polyphemus
0008461 green ash Fraxinus pennsylvanica leaf scars and buds
1419272 dusky birch sawfly Croesus latitarsus
1419283 elm argid sawfly Arge scapularis female
0008520 red maple Acer rubrum Buds
1120502 beaked hazelnut Corylus cornuta October. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society.
1430114 question mark Polygonia interrogationis 38mm long
1419432 mulberry leaftier/roller Glyphodes sibillalis
0008216 Kentucky coffeetree Gymnocladus dioicus
0805035 spear-marked black moth Rheumaptera hastata
1419430 mulberry leaftier/roller Glyphodes sibillalis
1419226 blackheaded ash sawfly Tethida barda
1430164 puss caterpillar Megalopyge opercularis early stage
1419238 blackheaded ash sawfly Tethida barda
0008460 green ash Fraxinus pennsylvanica Leaf scars and buds
1627049 locust leafminer Odontota dorsalis The mines of their larvae seen here on the right are sometimes responsible for turning entire black locust trees brown in mid-summer. The adults are pests as well. Their feeding damage to black locust is pictured here on the left.
1430116 question mark Polygonia interrogationis
1224048 large chestnut weevil Curculio caryatrypes
1223130 pecan weevil Curculio caryae diseased
1223131 pecan weevil Curculio caryae diseased
1223139 pecan weevil Curculio caryae
1223138 pecan weevil Curculio caryae ovipositing
1419244 spiny ash sawfly Eupareophora parca damage on upper surface of ash
1223112 plant bug
1223150 Asiatic oak weevil Cyrtepistomus castaneus
1436138 powdery mildew Microsphaera penicillata
1223117 stink bugs
1223136 pecan weevil Curculio caryae
0364011 Septoria leaf spot and cankers Septoria spp. leaf spots on cottonwood
1233031 io moth Automeris io
1419221 blackheaded ash sawfly Tethida barda
1419250 spiny ash sawfly Eupareophora parca on green ash
1119448 southern waxmyrtle Morella cerifera
1441160 gypsy moth Lymantria dispar 5 larval instars plus a dime for size comparison
1223116 stink bugs
1223113 plant bug
1223014 hickory shoot curculio Conotrachelus aratus
1419332 willow oak sawfly Arge quidia prepupa and coccoon with inner lining exposed
0488067 linden looper Erannis tiliaria
1223115 stink bugs
0014108 gouty oak gall Callirhytis quercuspunctata section through gall showing larval chambers
1431054 bagworm Thyridopteryx ephemeraeformis bag of early stage larvae on sawtooth oak
1223180 giant root borers Prionus spp.
1223011 hickory shoot curculio Conotrachelus aratus
0355003 sunscald
1419236 blackheaded ash sawfly Tethida barda
1419300 elm argid sawfly Arge scapularis
1223009 whitefringed beetles Naupactus spp.
1419324 willow oak sawfly Arge quidia
1223114 stink bugs
1224026 hickory shoot curculio Conotrachelus aratus
1223176 hickory shuckworm Cydia caryana
1267111 rosy gypsy moth Lymantria mathura
0364009 oak anthracnose Apiognomonia errabunda leaf symptoms
1120503 beaked hazelnut Corylus cornuta June. Photo from Forest Plants of the Southeast and Their Wildlife Uses by J.H. Miller and K.V. Miller, published by The University of Georgia Press in cooperation with the Southern Weed Science Society.
1419425 mulberry leaftier/roller Glyphodes sibillalis leaf margin roll
1233209 eastern tent caterpillar Malacosoma americanum
1626025 oak lecanium Parthenolecanium quercifex Dead females on the twig and settled crawlers on the leaf.
1224104 pecan bud moth Gretchena bolliana
1396078 Cynipid gall wasp Andricus ignotus gall on oak; agamic generation
1419084 leaf-rolling weevil Homoeolabus analis nidus opened to show larva
1430075 spicebush swallowtail Papilio troilus
3067041 ash borer Podosesia syringae and damage
1419223 blackheaded ash sawfly Tethida barda with castskins and head capsules
0008529 pin oak Quercus palustris Buds
3066047 giant bark aphid Longistigma caryae
1430122 redbud leaffolder Fascista cercerisella
0488065 pip gall wasp Callirhytis operator to acorn
3057037 variable oakleaf caterpillar Lochmaeus manteo feeding on leaf
1430130 redbud leaffolder Fascista cercerisella
1430040 buck moth Hemileuca maia full-grown larva about 2 3/8 inches long
1419234 blackheaded ash sawfly Tethida barda
1430107 stinging rose caterpillar Parasa indetermina
3056065 eastern poplar buprestid Poecilonota cyanipes attacks on stems
1124042 Asian longhorned beetle Anoplophora glabripennis
1419010 leaf-rolling weevil Homoeolabus analis callow adult
1430178 waved sphinx Ceratomia undulosa
3066069 bark beetles
3066012 maple callus borer Synanthedon acerni female
1204076 catalpa sphinx Ceratomia catalpae
1204038 catalpa sphinx Ceratomia catalpae full grown larvae showing spot markings and prominent horns
1204010 walnut caterpillar Datana integerrima
1204090 sycamore leaf beetle Neochlamisus platani larval case
1468205 southwestern tent caterpillar Malacosoma incurvum
1627056 elm leaf beetle Xanthogaleruca luteola The beetles emerge in early spring and begin laying clusters of yellow eggs on the underside of elm leaves.
3057047 southeastern gray twig pruner Anelaphus villosus longitudinal cross-sections of damage in oak stem
1267108 rosy gypsy moth Lymantria mathura female
2089002 promethea moth Callosamia promethea male
1458029 birch sawfly Arge pectoralis
1204009 walnut caterpillar Datana integerrima
3067066 whitemarked tussock moth Orgyia leucostigma cocoons
1419253 spiny ash sawfly Eupareophora parca on ash
3056095 cottonwood clearwing borer Paranthrene dollii female
1219031 red maple Acer rubrum
1468189 larger boxelder leafroller Archips negundana
1419282 elm argid sawfly Arge scapularis female
1233065 hickory horned devil Citheronia regalis
2130100 viburnum borer Synanthedon viburni
2109007 basswood leafroller Pantographa limata Looking at the leaf you see that only the distal portion has been rolled.
2109013 basswood leafroller Pantographa limata The head capsule on mature larvae is darker than in earlier instars. At high magnification the tracheal system is visible through the clear integument.
1748053 galls
1204124 periodical cicada Magicicada spp. ventral view of abdomen - tredecassini
1204036 walnut caterpillar Datana integerrima
4836021 bronze birch borer Agrilus anxius raised welts caused by tunneling
2666011 southern pecan leaf phylloxera Phylloxera russelae galls caused by this species are wart-like
1124039 cottonwood borer Plectrodera scalator
3066009 dogwood borer Synanthedon scitula female
1430137 white flannel moth Norape ovina prepupa
1419241 blackheaded ash sawfly Tethida barda
1430209 polyphemus moth Antheraea polyphemus
4822064 ash rusts Puccinia sparganioides distinctive pycnia and aecial "cluster cup" with orange-yellow aeciospores proliferating from the surface of infected tissue.
1430079 spicebush swallowtail Papilio troilus
1394013 forest tent caterpillar Malacosoma disstria
2308005 Siberian elm Ulmus pumila
2254010 rusty tussock moth Orgyia antiqua male
1430012 fall webworm Hyphantria cunea orange race
1430142 white flannel moth Norape ovina full grown
3056046 burdock borer Papaipema cataphracta female
1419431 mulberry leaftier/roller Glyphodes sibillalis
3717013 double-lined prominent Lochmaeus bilineata
1419249 spiny ash sawfly Eupareophora parca on green ash
1430110 question mark Polygonia interrogationis chrysalis on sugarberry
1541894 silverspotted skipper Epargyreus clarus
1541895 silverspotted skipper Epargyreus clarus
1541896 silverspotted skipper Epargyreus clarus
1541925 eastern tiger swallowtail Papilio glaucus
1541928 eastern tiger swallowtail Papilio glaucus
1541979 maple bladdergall mite Vasates quadripedes
1541996 casebearer moths Coleophora spp.
1541997 casebearer moths Coleophora spp.
1541998 casebearer moths Coleophora spp.
1541754 redheaded ash borer Neoclytus acuminatus
1541769 metalic wood-boring beetles Dicerca spp.
1541789 treehoppers
1541887 silverspotted skipper Epargyreus clarus
1541544 elm leaf beetle Xanthogaleruca luteola
1541547 elm leaf beetle Xanthogaleruca luteola
1541554 elm leaf beetle Xanthogaleruca luteola
1541563 yellow poplar weevil Odontopus calceatus
1541565 yellow poplar weevil Odontopus calceatus overwintering adult feeding
1541578 checkered beetle Thanasimus dubius
1541589 red-legged buprestis Buprestis rufipes
1541590 flatheaded or metallic wood borer
1541616 horned passalus Odontotaenius disjunctus
1541685 lace bugs
1541686 sycamore lace bug Corythucha ciliata
1541691 yellow poplar weevil Odontopus calceatus
1541698 yellow poplar weevil Odontopus calceatus
1541361 locust leafminer Odontota dorsalis
1541373 plant bug Lopidea robiniae
1541374 plant bug Lopidea robiniae
1541375 plant bug Lopidea robiniae
1541418 tupelo leafminer Antispila nysaefoliella
1541499 imported willow leaf beetle Plagiodera versicolora
1540788 Agromyzid fly Cecidomyiaceltis deserta
1540789 Agromyzid fly Cecidomyiaceltis deserta
1540790 Agromyzid fly Cecidomyiaceltis deserta
1540791 Agromyzid fly Cecidomyiaceltis deserta
1540728 wool sower gall maker Callirhytis seminator
1540739 midges
1540707 European fruit lecanium Parthenolecanium corni
1540708 European fruit lecanium Parthenolecanium corni
1540715 elm cockscombgall aphid Colopha ulmicola
5385346 gypsy moth Lymantria dispar male and female
5385344 gypsy moth Lymantria dispar
1430042 hickory horned devil Citheronia regalis
0014185 fall webworm Hyphantria cunea female and pupa
1419306 elm argid sawfly Arge scapularis
1394060 palmerworm Dichomeris ligulella
1223001 pecan weevil Curculio caryae
1396027 yellownecked caterpillar Datana ministra
5427596 Thousand Cankers Disease Geosmithia morbida conidia
5427595 Thousand Cankers Disease Geosmithia morbida conidia view under Nomarski Optics
5427594 Thousand Cankers Disease Geosmithia morbida conidia viewed under phase contrast
1419014 leaf-rolling weevil Homoeolabus analis
2122018 white-headed prominent Symmerista albifrons
1419378 locust sawfly Nematus tibialis
0795033 linden looper Erannis tiliaria
1223006 white muscadine disease Beauveria bassiana diseased larvae
0718004 yellownecked caterpillar Datana ministra
0364046 Cylindrocladium root diseases Cylindrocladium spp. diseased root
1204061 catalpa sphinx Ceratomia catalpae egg mass
0284081 redshouldered bostrichid beetle Xylobiops basilaris cross section of riddled pecan bolts
1223137 pecan weevil Curculio caryae female feeding
1394055 variable oakleaf caterpillar Lochmaeus manteo
0008519 Norway maple Acer platanoides Buds
2109012 basswood leafroller Pantographa limata Larvae have a clear skin and the green color comes from the leaves they eat
2109008 basswood leafroller Pantographa limata Here is a leaf partially unrolled
2109009 basswood leafroller Pantographa limata About one-half the time there is no insect inside, only their frass.
2109010 basswood leafroller Pantographa limata About one-half the time there is no insect inside, only their frass.
2109011 basswood leafroller Pantographa limata 2 half-grown larvae of the basswood leafroller
2109014 basswood leafroller Pantographa limata The basswood leafroller appartently overwinters within the rolled leaf.
0795029 larger elm leaf beetle Monocesta coryli typical feeding damage
1204051 catalpa sphinx Ceratomia catalpae
1366003 acorn and nut weevils Curculio spp. Female, dead specimen
1223012 hickory shoot curculio Conotrachelus aratus
1361124 lace bugs Corythucha spp. Lace bugs possess a hood-like extension of the pronotum that covers the head
1204116 periodical cicada Magicicada spp. eggs with fully developed embryos - note the eyespots
1204091 sycamore leaf beetle Neochlamisus platani
1204030 walnut caterpillar Datana integerrima
1546135 elm sawfly Cimbex americana feeding on willow one of its common hosts
1546134 asimina webworm moth Omphalocera munroei a leaf tier of pawpaw and other Astiminia species
1430018 wheel bug Arilus cristatus preying on black-race fall webworm caterpillars
1204011 walnut caterpillar Datana integerrima
1219051 common horse chestnut Aesculus hippocastanum leaf scar
1546256 pipevine swallowtail Battus philenor
1219068 serviceberry Amelanchier arborea
1219069 serviceberry Amelanchier arborea
1219072 American chestnut Castanea dentata
1219087 American chestnut Castanea dentata
1219091 redosier dogwood Cornus sericea
1669047 galls cross-section of gall longitudinal section of cynipid gall on sand post oak. green knob contains the developing larva
1546229 walnut caterpillar Datana integerrima
1546219 hickory horned devil Citheronia regalis
1546081 whitemarked tussock moth Orgyia leucostigma
1219086 American chestnut Castanea dentata
1468266 lecanium scales Coccus spp.
1219130 witch-hazel Hamamelis virginiana
1219131 witch-hazel Hamamelis virginiana
1219136 witch-hazel Hamamelis virginiana
1219139 butternut Juglans cinerea butternut (left), black walnut (right)
1361239 saddleback caterpillar Acharia stimulea
1204086 sycamore leaf beetle Neochlamisus platani prepupa
1219247 rock elm Ulmus thomasii
1204114 periodical cicada Magicicada spp. ventral view of female, note the ovipositor at the rear of the abdomen
1476076 hackberry nipplegall maker Pachypsylla celtidismamma Late instar nymph exposed within gall
1476077 hackberry nipplegall maker Pachypsylla celtidismamma late instar nymph exposed with gall
1476078 hackberry nipplegall maker Pachypsylla celtidismamma newly emerged adult next to gall
1476079 hackberry nipplegall maker Pachypsylla celtidismamma newly emerged adult next to gall
1476084 boxelder aphid Periphyllus negundinis
1476085 elm leaf aphid Tinocallis ulmifolii nymph of an alate form with wing pads
1476086 elm leaf aphid Tinocallis ulmifolii
1476096 pear sawfly Caliroa cerasi early instar larvae near hatched egg
1476110 oak rough bulletgall wasp Disholcaspis quercusmamma pupal covering
1476111 oak rough bulletgall wasp Disholcaspis quercusmamma pupa removed from pupal chamber
1476123 elm leaf beetle Xanthogaleruca luteola
0007062 forest tent caterpillar Malacosoma disstria 2nd place in the 2001 Southern Forest Insect Work Conference Photo Salon in the Insect category.
5411462 redbay ambrosia beetle Xyleborus glabratus Eggs of the "redbay ambrosia beetle", Xyleborus glabratus, found in galleries of redbay, Persea borbonia.
5411464 redbay ambrosia beetle Xyleborus glabratus Larva of Xyleborus glabratus removed from Persea borbonia floating in 75% isopropyl alcohol.
5411465 redbay ambrosia beetle Xyleborus glabratus Larva of Xyleborus glabratus removed from Persea borbonia floating in 75% isopropyl alcohol.
5411463 redbay ambrosia beetle Xyleborus glabratus Eggs of the "redbay ambrosia beetle", Xyleborus glabratus, found in galleries of redbay, Persea borbonia.
5423781 red oak borer Enaphalodes rufulus
5423792 brown prionid Orthosoma brunneum
5423793 brown prionid Orthosoma brunneum
5423794 brown prionid Orthosoma brunneum
5352010 Braconid wasp Atanycolus cappaerti Parasitoid of emerald ash borer
5352009 Braconid wasp Atanycolus cappaerti Parasitoid of emerald ash borer
5254006 risk tree Broken branches piled after a storm
5054007 Hypoxylon canker of aspen Entoleuca mammata Perithecia of Entoleuca mammata embedded in a stroma (micrograph)
5423952 psyllid Acizzia jamatonica An exotic psyllid specific to mimosa (Albizia) that is now widely distributed throughout the southeastern United States.
5423383 sweetbay Magnolia virginiana
5416774 forest redgum Eucalyptus tereticornis Leaf fruit and flower buds
5416775 forest redgum Eucalyptus tereticornis Leaf fruit and flower buds
5416776 forest redgum Eucalyptus tereticornis Leaf fruit and flower buds
5416769 forest redgum Eucalyptus tereticornis Leaf
5416770 forest redgum Eucalyptus tereticornis Leaf fruit and flower buds
5416771 forest redgum Eucalyptus tereticornis Leaf fruit and flower buds
5416772 forest redgum Eucalyptus tereticornis Leaf fruit and flower buds
5416773 forest redgum Eucalyptus tereticornis Leaf fruit and flower buds
5416763 forest redgum Eucalyptus tereticornis
5416764 forest redgum Eucalyptus tereticornis Leaves fruit and flower buds
5416765 forest redgum Eucalyptus tereticornis Flower buds
5416766 forest redgum Eucalyptus tereticornis Flower buds
5416767 forest redgum Eucalyptus tereticornis Flower buds
5416768 forest redgum Eucalyptus tereticornis Flower buds
5416758 forest redgum Eucalyptus tereticornis
5416759 forest redgum Eucalyptus tereticornis
5416760 forest redgum Eucalyptus tereticornis
5416761 forest redgum Eucalyptus tereticornis
5416762 forest redgum Eucalyptus tereticornis
5416755 forest redgum Eucalyptus tereticornis Leaves fruit and flower buds
5416756 forest redgum Eucalyptus tereticornis
5416757 forest redgum Eucalyptus tereticornis
2199086 laurel wilt Raffaelea lauricola Vascular staining caused by a fungus introduced by Xyleborus glabratus. Note beetle attack site to left of fingernail.
1541540 elm leaf beetle Xanthogaleruca luteola
1541378 locust leafminer Odontota dorsalis
1541379 locust leafminer Odontota dorsalis
1541380 locust leafminer Odontota dorsalis
1541222 locust borer Megacyllene robiniae
1541065 southern pine sawyer Monochamus titillator
1549806 bronze birch borer Agrilus anxius pupa in gallery
1549946 hickory spiral borer Agrilus arcuatus torquatus
1549378 spiny witchhazel gall aphid Hamamelistes spinosus
1543384 birch lace bug Corythucha pallipes
1543385 birch lace bug Corythucha pallipes
1543382 alder lace bug Corythucha pergandei
1543383 birch lace bug Corythucha pallipes
1543062 locust leafminer Odontota dorsalis
5405252 anthracnose Aureobasidium apocryptum Upper surface of maple leaf with tan blotches having dark-green halos caused by the fungus Aureobasidium apocryptum.
5405253 anthracnose Aureobasidium apocryptum Upper surface of maple leaf with tan blotches having dark-green halos caused by the fungus Aureobasidium apocryptum.
5405254 anthracnose Aureobasidium apocryptum Close-up of upper surface of maple leaf with tan blotches having dark-green halos caused by the fungus Aureobasidium apocryptum.
5405255 anthracnose Aureobasidium apocryptum Close-up of lower surface of maple leaf with tan blotches having dark-green halos caused by the fungus Aureobasidium apocryptum.
5405256 anthracnose Aureobasidium apocryptum Close-up of lower surface of maple leaf showing one tan blotchy area having a dark-green halo caused by the fungus Aureobasidium apocryptum.
5405257 anthracnose Aureobasidium apocryptum Close-up of lower surface of maple leaf showing tan infected tissue caused by the fungus Aureobasidium apocryptum.  Note the lack of any signs of the pathogen.
5405258 anthracnose Aureobasidium apocryptum Lower surface of maple leaf stained to reveal random acervuli of the fungus Aureobasidium apocryptum.
5405259 anthracnose Aureobasidium apocryptum Lower surface of maple leaf stained to reveal a cluster of acervuli of the fungus Aureobasidium apocryptum.
5405260 anthracnose Aureobasidium apocryptum An acervulus with stained conidia of the fungus Aureobasidium apocryptum.
5405261 anthracnose Aureobasidium apocryptum An acervulus with stained conidia of the fungus Aureobasidium apocryptum.
5405262 anthracnose Aureobasidium apocryptum Conidia of the fungus Aureobasidium apocryptum.
5405285 anthracnose Discula spp. Upper surface of several leaves with large tan-brown blotchy areas starting between the major veins but eventually coalescing to blight large areas of the leaves believed to be caused by a species of Discula.
5405286 anthracnose Discula spp. Upper surface of several leaves with large tan-brown blotchy areas starting between the major veins but eventually coalescing to blight large areas of the leaves believed to be caused by a species of Discula.
5405287 anthracnose Discula spp. Upper surface of a single leaf with large tan-brown blotchy areas starting between the major veins but eventually coalescing to blight large areas of the leaves believed to be caused by a species of Discula.
5405288 anthracnose Discula spp. Close-up of the upper surface of a leaf with large tan-brown blotchy area believed to be caused by a species of Discula.
5405289 anthracnose Discula spp. Close-up of the upper surface of a leaf with large tan-brown blotchy area believed to be caused by a species of Discula.
5405290 anthracnose Discula spp. Close-up of the lower surface of a blighted area of a leaf believed to be caused by a species of Discula.
5405291 anthracnose Discula spp. Close-up of the lower surface of a blighted area of a leaf showing black dots ("acervuli") along the major veins believed to be of a species of Discula.
5405292 anthracnose Discula spp. Close-up of the lower surface of a blighted area of a leaf showing black dots ("acervuli") along the major veins believed to be of a species of Discula.
5405293 anthracnose Discula spp. Close-up of the lower surface of a blighted area of a leaf showing black dots ("acervuli") along the major veins believed to be of a species of Discula.
5405294 anthracnose Discula spp. Lower surface of a blighted area of a leaf stained to show mycelium and acervuli along the major veins believed to be of a species of Discula.
5405295 anthracnose Discula spp. Lower surface of a blighted area of a leaf stained to show mycelium and acervuli along the major veins believed to be of a species of Discula.
5405296 anthracnose Discula spp. Close-up of a blighted area of a leaf stained to show an acervulus along a major vein believed to be of a species of Discula.
5405297 anthracnose Discula spp. A single stained acervulus and several conidia believed to be of a species of Discula.
5405298 anthracnose Discula spp. A single stained acervulus and several conidia believed to be of a species of Discula.
5405299 downy mildew Plasmopara cercidis Angular tan to brown blocks of infected tissue mostly along the veins on the upper leaf surface caused by the fungus Plasmopara cercidis.  The eight or more larger brown spots that are less angular and surrounded by a yellow halo are infections of Pseudocercospora vitis the cause of Pseudocercospora leaf blight. 
5405300 downy mildew Plasmopara cercidis Angular white to brown blocks of infected tissue mostly along the veins on the lower leaf surface caused by the fungus Plasmopara cercidis.  The eight or more larger brown spots that are less angular and surrounded by a yellow halo are infections of Pseudocercospora vitis the cause of Pseudocercospora leaf blight.
5405301 downy mildew Plasmopara cercidis Close-up of the lower surface of a leaf with angular areas of older and younger infections caused by the fungus Plasmopara cercidis.  White sporangiaphores and sporangia can be seen coming from the younger infected tissue.
5405302 downy mildew Plasmopara cercidis Close-up of the lower surface of a leaf with angular areas of younger infections caused by the fungus Plasmopara cercidis.  White sporangiaphores and sporangia can be seen coming from the younger infected tissue.
5405303 downy mildew Plasmopara cercidis Close-up of one angular area of younger infection caused by the fungus Plasmopara cercidis.  White sporangiaphores and sporangia can be seen coming from the infected tissue.
5405304 downy mildew Plasmopara cercidis Characteristic sporangiaphores and sporangia of the fungus Plasmopara cercidis.
5405305 downy mildew Plasmopara cercidis Characteristic sporangiaphores and sporangia of the fungus Plasmopara cercidis.
5405340 Pseudocercospora leaf spot Pseudocercospora vitis Several leaves with large, brown blotches with yellow halos on the upper leaf surface caused by the fungus Pseudocercospora vitis.  Also on the leaves are angular tan to brown blocks of infected tissue mostly along the veins caused by the fungus Plasmopara cercidis.
5405341 Pseudocercospora leaf spot Pseudocercospora vitis Several leaves with large, brown blotches with yellow halos on the lower leaf surface caused by the fungus Pseudocercospora vitis.  Also on the leaves are angular tan to brown blocks of infected tissue mostly along the veins caused by the fungus Plasmopara cercidis.
5405342 Pseudocercospora leaf spot Pseudocercospora vitis A single leaf with large, brown blotches with yellow halos on the upper leaf surface caused by the fungus Pseudocercospora vitis.  Also on the leaves are angular tan to brown blocks of infected tissue mostly along the veins caused by the fungus Plasmopara cercidis.
5405343 Pseudocercospora leaf spot Pseudocercospora vitis A single leaf with large, brown blotches with yellow halos on the lower leaf surface caused by the fungus Pseudocercospora vitis.  Also on the leaves are white to gray-brown blocks of infected tissue mostly along the veins caused by the fungus Plasmopara
5405344 Pseudocercospora leaf spot Pseudocercospora vitis Close-up of a large, brown blotch on the upper leaf surface caused by the fungus Pseudocercospora vitis.
5405345 Pseudocercospora leaf spot Pseudocercospora vitis Light shown at a steep angle to the upper leaf surface surface illuminating random tufts which are "synnemata", the spore-producing bodies of the fungus Pseudocercospora vitis.
5405346 Pseudocercospora leaf spot Pseudocercospora vitis View across single spot with dark green-black "synnemata" of Pseudocercospora vitis, which are clusters of conidiophores and conidia, coming up from infected tissue.
5405347 Pseudocercospora leaf spot Pseudocercospora vitis Close-up view across single spot with dark green-black "synnemata" of Pseudocercospora vitis, which are clusters of conidiophores and conidia, coming up from infected tissue.
5405348 Pseudocercospora leaf spot Pseudocercospora vitis Close-up of single dark green-black "synnema" of Pseudocercospora vitis, which are clusters of conidiophores and conidia, coming up from infected tissue.
5405359 leaf spot Tubakia dryina Pycnothyria and conidia of Tubakia dryina.
5405360 leaf spot Tubakia dryina Pycnothyrium and conidia of Tubakia dryina.
5405361 leaf spot Tubakia dryina Pycnothyrium and conidia of Tubakia dryina.
5405362 leaf spot Tubakia dryina Conidia of Tubakia dryina.
5405363 leaf spot Tubakia dryina Upper surface of red oak leaves with spots infected with the fungus Tubakia dryina.
5405364 leaf spot Tubakia dryina Lower surface of red oak leaves with spots infected with the fungus Tubakia dryina.
5405365 leaf spot Tubakia dryina Close up of upper surface of red oak leaves with spots infected with the fungus Tubakia dryina.
5390343 eucalyptus Eucalyptus spp. Unknown bell shaped operculums
5390341 eucalyptus Eucalyptus spp. Bell shaped fruits
5390342 eucalyptus Eucalyptus spp. Bell shaped fruits
5406096 Thousand Cankers Disease Geosmithia morbida Canker development around walnut twig beetle gallery in English walnut.
5406094 Thousand Cankers Disease Geosmithia morbida Canker development around walnut twig beetle gallery in English walnut.
5406090 Thousand Cankers Disease Geosmithia morbida Walnut twig beetle galleries and cankers in trunk of hybrid walnut. Associated with walnut twig beetle.
5406091 Thousand Cankers Disease Geosmithia morbida Walnut twig galleries and cankers in branch of hybrid walnut. Associated with walnut twig beetle.
5056036 Neonectria canker Neonectria galligena Asci and spores
5408099 Embellisia skin blotch and bulb canker of garlic Embellisia allii Magnification of 200X
5408100 Embellisia skin blotch and bulb canker of garlic Embellisia allii Magnification of 400X
5408095 Alternaria black molds / stem cankers Alternaria spp.
5408096 gray molds Botrytis spp.
5408097 Dutch elm disease Ophiostoma ulmi
5408098 Dutch elm disease Ophiostoma ulmi
1549979 Ivory-marked beetle Eburia quadrigeminata
1549980 Ivory-marked beetle Eburia quadrigeminata
1549981 Ivory-marked beetle Eburia quadrigeminata
1549828 dogwood twig borer Oberea tripunctata
1549812 dogwood twig borer Oberea tripunctata
1543674 boxwood leafminer Monarthropalpus flavus
1543678 boxwood leafminer Monarthropalpus flavus
1543663 boxwood leafminer Monarthropalpus flavus
1543039 larger elm leaf beetle Monocesta coryli
1543038 larger elm leaf beetle Monocesta coryli
1543524 sycamore lace bug Corythucha ciliata
1543522 sycamore lace bug Corythucha ciliata
1543513 sycamore lace bug Corythucha ciliata
1543491 oak lace bug Corythucha arcuata
1543399 boxelder bug Boisea trivittata
1543391 boxelder bug Boisea trivittata
1543173 redheaded ash borer Neoclytus acuminatus
1543174 redheaded ash borer Neoclytus acuminatus
1543171 redheaded ash borer Neoclytus acuminatus
1543059 locust leafminer Odontota dorsalis
1543041 locust leafminer Odontota dorsalis
1549974 imported willow leaf beetle Plagiodera versicolora
1549967 imported willow leaf beetle Plagiodera versicolora
1549843 dogwood twig borer Oberea tripunctata
1549839 dogwood twig borer Oberea tripunctata
1549841 dogwood twig borer Oberea tripunctata
1549833 dogwood twig borer Oberea tripunctata
1549834 dogwood twig borer Oberea tripunctata
1549835 dogwood twig borer Oberea tripunctata
1549827 dogwood twig borer Oberea tripunctata
1549825 dogwood twig borer Oberea tripunctata
1549822 dogwood twig borer Oberea tripunctata
1549821 dogwood twig borer Oberea tripunctata
1549820 dogwood twig borer Oberea tripunctata
1549818 dogwood twig borer Oberea tripunctata
1549819 dogwood twig borer Oberea tripunctata
1549817 dogwood twig borer Oberea tripunctata
5410929 Geometrid moth Agriopis marginaria
5410927 Geometrid moth Agriopis marginaria
5410928 Geometrid moth Agriopis marginaria
5410925 Geometrid moth Agriopis marginaria
5410924 Geometrid moth Agriopis marginaria
5410909 Notodontid moth Pheosia tremula
5410907 Notodontid moth Pheosia tremula
5410908 Notodontid moth Pheosia tremula
5410905 Notodontid moth Pheosia tremula
5410906 Notodontid moth Pheosia tremula
5410780 beech bark beetle Taphrorychus bicolor
5410954 nut fruit tortix Cydia splendana
5410955 mottled umber moth Erannis defoliaria
5410958 mottled umber moth Erannis defoliaria
5410940 apple variegated Tortrix Archips xylosteana
5410942 apple variegated Tortrix Archips xylosteana
5410948 feathered thorn Colotois pennaria
5410949 feathered thorn Colotois pennaria
5410937 rose Tortrix moth Archips rosana
5410938 rose Tortrix moth Archips rosana
5410930 common sawfly Apethymus filiformis
5410931 common sawfly Apethymus filiformis
5410899 Eastern Nycteoline Nycteola asiatica
5410900 Eastern Nycteoline Nycteola asiatica
5410789 ash weevil Stereonychus fraxini
5410792 ash weevil Stereonychus fraxini
5410790 ash weevil Stereonychus fraxini
5410778 Tortricid moth Cydia fagiglandana
5410744 Asian chestnut gall wasp Dryocosmus kuriphilus
5410748 Asian chestnut gall wasp Dryocosmus kuriphilus
5410749 Asian chestnut gall wasp Dryocosmus kuriphilus
5410734 maple aphid Periphyllus aceris
1549410 woolly alder aphid Prociphilus tessellatus
5406061 walnut twig beetle Pityophthorus juglandis Beetle gallery in Arizona wlanut. Callus tissue borders and confines this point of injury.
4822066 lichen Strigula smaragdula Green-orange algal spots or "green scruf" on leaf surface. The grayish-white and darker "crusts" are lichens of the genus Strigula resulting from fungal colonization of the alga.  Plant host is southern magnolia (Magnolia grandiflora L.).
5403921 mountain silverbell Halesia tetraptera
5252020 Dutch elm disease (novi-ulmi) Ophiostoma novo-ulmi Fruiting bodies of Ophiostoma novo-ulmi in bark beetle galleries of Scolytus multistriatus on American elm.
5051092 Eutypella canker Eutypella parasitica Eutypella canker on small tree
5389766 elm flea beetle Altica ulmi larve on elm leaf
5389767 elm flea beetle Altica ulmi defoliated leaves
2186029 lucuma Pouteria obovata
2186031 lucuma Pouteria obovata
2186032 lucuma Pouteria obovata
2186033 lucuma Pouteria obovata
2186018 long-fruited mucuna Mucuna macrocarpa
2186020 long-fruited mucuna Mucuna macrocarpa
2186026 rambutan Nephelium lappaceum
2186013 margaritaria Margaritaria discoidea
2186001 grumichama Eugenia brasiliensis
2174085 anthracnose Colletotrichum spp.
2174080 anthracnose Colletotrichum spp.
2174081 anthracnose Colletotrichum spp.
2174083 anthracnose Colletotrichum spp.
2174084 anthracnose Colletotrichum spp.
2173077 rust Puccinia heliconiae
2185068 soursop Annona muricata
2185071 sugar apple Annona squamosa
2185073 sugar apple Annona squamosa
1523065 gypsy moth Lymantria dispar young larvae
1523032 redheaded ash borer Neoclytus acuminatus
5389775 Braconid wasps larva with external parasites, probably Braconidae
5389776 saddled prominent Heterocampa guttivitta larva on sugar maple leaf
5389777 sugar maple borer Glycobius speciosus damaged sugar maple
5389770 forest tent caterpillar Malacosoma disstria old egg mass on top; new on bottom
5389771 forest tent caterpillar Malacosoma disstria larvae on sugar maple leaf
5389772 maple leafcutter Paraclemensia acerifoliella cases on damaged sugar maple leaf
5389773 maple leafcutter Paraclemensia acerifoliella
5389753 bruce spanworm Operophtera bruceata larva on maple leaf
5389754 birch leaffolder Ancylis discigerana folded leaves
5389755 birch leaffolder Ancylis discigerana folded + opened leaf
5389759 birch skeletonizer Bucculatrix canadensisella damage + larvae + molting webs
5389760 birch skeletonizer Bucculatrix canadensisella damage + larvae + molting webs
5389761 birch skeletonizer Bucculatrix canadensisella damage by both insects
5389763 bruce spanworm Operophtera bruceata freshly laid egg
5389764 bruce spanworm Operophtera bruceata mature egg
0718021 oak leafminers Cameraria spp.
5387637 weeping willow Salix babylonica leaves.
5368447 Marssonina leaf spots Marssonina spp. Close-up of two spots on underside of the leaf where spore-producing bodies ("pycnidia") are not distinguishable.
5368464 Cryptocline fungus Cryptocline betularum Conidia of the fungus Cryptocline betularum.
5385787 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5385788 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5385789 Marssonina leaf spots Marssonina spp. Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus").
5385790 Marssonina leaf spots Marssonina spp. Spores of a species of the fungus Marssonina.
4822035 Inonotus heartrot Inonotus rickii Stem cross sections showing advanced wood decay. Note the distinct, narrow darkened zones of sound wood at the margins of the decayed wood.
4822036 Inonotus heartrot Inonotus rickii longitudinal stem section showing advanced wood decay. Note the distinct, narrow darkened zones of sound wood at the margins of the decayed wood..
4822043 Fusarium root rot and wilt Fusarium oxysporum Distinctive pale to dark brown (sometimes with a purplish hue)staining or discoloration of the xylem. This soil borne fungus enters the roots by direct penetration or through root wounds during transplanting/landscape maintance, or vectored by feeding injury caused by plant parastic nematodes. Once inside a susceptible host, the fungus enters the xylem and colonizes the vascular system restricting water flow.
5334085 oak saucer gall Andricus parmula Wasp Gall
5380093 dog-day cicada Tibicen spp.
5380094 dog-day cicada Tibicen spp.
5380095 dog-day cicada Tibicen spp.
5380098 dog-day cicada Tibicen spp.
5368683 Verticillium wilts Verticillium spp. Culture of a species of the fungus Verticillium taken from discolored xylem tissue on Acid potato dextrose agar (APDA). Isolated from red maple (Acer rubrum).
5368586 Dutch elm disease Ophiostoma ulmi Characteristic asexual stage or "synnemata", conidiophores protruding from the end of an infected branch.
5368587 Dutch elm disease Ophiostoma ulmi Characteristic asexual stage or "synnemata", conidiophores protruding from the end of an infected branch.
5368588 Dutch elm disease Ophiostoma ulmi Characteristic asexual stage or "synnemata", conidiophores protruding from the end of an infected branch.
5368589 Dutch elm disease Ophiostoma ulmi Characteristic asexual stage or "synnemata", conidiophores protruding from the end of an infected branch.
0488026 gypsy moth Lymantria dispar
5334058 leaf blister of elm Taphrina ulmi
5334075 lichen
5334076 Verticillium wilt Verticillium dahliae vascular discoloration and foliar symptoms
5334079 gouty oak gall Callirhytis quercuspunctata Wasp Gall
5334080 orange hobnail canker Cryphonectria gyrosa
5334082 oak leaf blister Taphrina caerulescens light green spots = oak leaf blister; brown spots = invasion of oak leaf blister lesions by Monochaetia spp.
5335031 Septoria leaf spot and cankers Septoria spp. poplar
5337091 powdery mildew Phyllactinia guttata microscopic view of cleistothecium with appendages with bulbous base
5370015 sawflies Caliroa spp. Group of larvae feeding on the undersurface of a bur oak leaf
5370017 sawflies Caliroa spp. feeding larvae, lower surface of a bur oak leaf
5370018 sawflies Caliroa spp. Larvae feeding on the lower surface of a bur oak leaf
5370019 sawflies Caliroa spp. Larvae feeding on the lower surface of a bur oak leaf
5370020 sawflies Caliroa spp. Larvae feeding on the lower surface of a bur oak leaf
5334083 oak leaf blister Taphrina caerulescens
5334084 oak leaf blister Taphrina caerulescens
5335038 sooty mold
5335039 black canker Physalospora miyabeana
5382314 emerald ash borer Agrilus planipennis Emerald ash borer larval tunnel.
5382319 horned oak gall Callirhytis cornigera
4215067 promethea moth Callosamia promethea
5383144 leaf spot Tubakia dryina pycnothyrium and conidia
5368649 leaf spot Tubakia dryina One spore-producing body ("acervulus").
5368650 leaf spot Tubakia dryina
3066075 lesser cornstalk borer Elasmopalpus lignosellus Seedling injured at root collar with silken feeding tube.
5368427 powdery mildew Phyllactinia spp. Negative image of the sexual reproductive body of the fungus (“cleistothecium”) with characteristic bulbous base of appendages.
5368428 powdery mildew Phyllactinia spp. Sexual reproductive body of the fungus (“cleistothecium”) with characteristic bulbous base of appendages.
5368429 powdery mildew Phyllactinia spp. Underside of infected leaves showing white fungal mycelium and many, black, sexual reproductive bodies of the fungus (“cleistothecia”).
5368430 powdery mildew Phyllactinia spp. Close-up of the underside of infected leaf showing white fungal mycelium and many, black, sexual reproductive bodies of the fungus (“cleistothecia”).
5368445 Marssonina leaf spots Marssonina spp. Upper surface of leaf with gray/white spots and thin brown borders.
5368446 Marssonina leaf spots Marssonina spp. Lower surface of leaf shows leaf spots are darker brown than upper surface appearance.
5368461 Cryptocline fungus Cryptocline betularum Leaves with spots starting out tan and turning gray then white.
5368462 Cryptocline fungus Cryptocline betularum Close-up of leaf spots where in some spots the missing tissue in the center was where the spore-producing body of the fungus was located.
5368463 Cryptocline fungus Cryptocline betularum Close-up of one spore-producing body ("acervulus") is seen in dark-field observation.
5368647 leaf spot Tubakia dryina Tan/brown spots with broad, darker brown border.
5368681 Verticillium wilts Verticillium spp. Lower portion of trunk with outer tissue stripped off to reveal discolored xylem tissue.
5368682 Verticillium wilts Verticillium spp. Trunk portion near ground level with outer tissue cut away to reveal discolored xylem tissue.
5368684 Verticillium wilts Verticillium spp. Cross and tangential sections of the lower trunk of one of the nursery trees showing characteristic olive green color of Verticillium-infected xylem.
5368685 Verticillium wilts Verticillium spp. Trunk section with outer tissue cut away to reveal characteristic olive green color of Verticillium-infected xylem.
5368707 Dutch elm disease Ophiostoma ulmi Characteristic asexual stage or "synnemata", conidiophores with clusters of colorless conidia at the top.
5368708 Dutch elm disease Ophiostoma ulmi Characteristic asexual stage or "synnemata", conidiophores with clusters of colorless conidia at the top.
5368709 Dutch elm disease Ophiostoma ulmi Incubation of symptomatic pieces of elm branches, surface sterilized and placed in an incubation chamber.
5368710 Dutch elm disease Ophiostoma ulmi Tree limbs and leaves shown symptoms of dieback.
5368713 downy spot Microstroma juglandis Upper surface of infected leaves with light green colored bumps.
5368714 downy spot Microstroma juglandis Lower surface of infected leaves showing white mold directly opposite the bumps on upper surface.
5368715 downy spot Microstroma juglandis Close-up of white spore-producing bodies ("conidiophores") and spores.
5368716 downy spot Microstroma juglandis Close-up of light green colored bumps on upper surface of leaf.
5368742 vein pocket gall Macrodiplosis erubescens Branch with severely symptomatic leaves.
5368743 vein pocket gall Macrodiplosis erubescens Close-up of galling along the midrib and major veins.
5368744 vein pocket gall Macrodiplosis erubescens View of upper leaf surface symptoms.
5368745 vein pocket gall Macrodiplosis erubescens View of lower leaf surface symptoms.
5368937 black spot of elm Stegophora ulmea Leaves with small, raised black spots with a fine area of white tissue surrounding them, found mostly between the major veins.
5368938 black spot of elm Stegophora ulmea Close-up of infected spots with blister-like, brown spore-producing bodies ("acervuli") within the spots.
5368939 black spot of elm Stegophora ulmea Close-up of infected spots with blister-like, brown spore-producing bodies ("acervuli") within the spots.
5368940 black spot of elm Stegophora ulmea Close-up of one infected spot with blister-like, brown spore-producing bodies ("acervuli") seen under dark-field observation.
5369056 Septoria leaf spot and cankers Septoria spp. Dark brown, angular spots with gray flecks.
5369057 Septoria leaf spot and cankers Septoria spp. Close-up of the underside of the leaf showing dark brown, angular spots with gray flecks.
5369058 Septoria leaf spot and cankers Septoria spp. One infected area of leaf where dark brown, spore-producing bodies ("pycnidia") can be seen within the spots.
5369059 Septoria leaf spot and cankers Septoria spp. Close-up of infected area with dark brown, spore-producing bodies ("pycnidia").
5369060 Septoria leaf spot and cankers Septoria spp. Dark-field observation of long, thin spores of a species of the fungus Septoria.
5369061 Septoria leaf spot and cankers Septoria spp. Long, thin spores of a species of the fungus Septoria.
5334021 chestnut blight or canker Cryphonectria parasitica
1548041 red-humped caterpillar moth Schizura concinna Larva collected on crab apple (Malus angustifolia) 24 July 2001, 7 mi N. Statesboro, Bulloch Co. GA; began spinning a cocoon 28 July 2001; adult eclosion, 16 August 2001; eggs 17 Aug. 2001
1548042 red-humped caterpillar moth Schizura concinna Prepupa; Larva collected on crab apple (Malus angustifolia) 24 July 2001, 7 mi N. Statesboro, Bulloch Co. GA; began spinning a cocoon 28 July 2001; adult eclosion, 16 August 2001; eggs 17 Aug. 2001
1548043 red-humped caterpillar moth Schizura concinna Pupa in cocoon; Larva collected on crab apple (Malus angustifolia) 24 July 2001,7 mi N. Statesboro, Bulloch Co. GA; began spinning a cocoon 28 July 2001; adult eclosion, 16 August 2001; eggs 17 Aug. 2001
1548044 red-humped caterpillar moth Schizura concinna Pupa; larva collected on crab apple (Malus angustifolia) 24 July 2001,7 mi N. Statesboro, Bulloch Co. GA; began spinning a cocoon 28 July 2001; adult eclosion, 16 August 2001; eggs 17 Aug. 2001
1548045 red-humped caterpillar moth Schizura concinna Adult; larva collected on crab apple (Malus angustifolia) 24 July 2001,7 mi N. Statesboro, Bulloch Co. GA; began spinning a cocoon 28 July 2001; adult eclosion, 16 August 2001; eggs 17 Aug. 2001
1548046 red-humped caterpillar moth Schizura concinna Eggs with adult; larva collected on crab apple (Malus angustifolia) 24 July 2001,7 mi N. Statesboro, Bulloch Co. GA; began spinning a cocoon 28 July 2001; adult eclosion, 16 August 2001; eggs 17 Aug. 2001
1548047 red-humped caterpillar moth Schizura concinna Eggs; larva collected on crab apple (Malus angustifolia) 24 July 2001,7 mi N. Statesboro, Bulloch Co. GA; began spinning a cocoon 28 July 2001; adult eclosion, 16 August 2001; eggs 17 Aug. 2001
5380091 dog-day cicada Tibicen spp.
1263084 eastern pine gall rust Cronartium quercuum Uredinia on leaves
1263085 eastern pine gall rust Cronartium quercuum Telia
1263044 Japanese maple scale Lopholeucaspis japonica On Zelkova stem.
1263029 eucalyptus weevil Gonipterus scutellatus Adult damage
1263030 eucalyptus weevil Gonipterus scutellatus Larva at different stages
1263020 large aspen tortrix Choristoneura conflictana
1263019 large aspen tortrix Choristoneura conflictana Adult and pupae
1263009 citrus longhorned beetle Anoplophora chinensis
1263010 citrus longhorned beetle Anoplophora chinensis
1263008 citrus longhorned beetle Anoplophora chinensis
1949025 Septoria canker of poplar Mycosphaerella populorum Cankers caused by Mycosphaerella populorum on poplar stems.
1949013 oak wilt Ceratocystis fagacearum Foliar symptoms of Ceratocystis fagacearum on black oak (Quercus velutina) showing bronzing starting at the leaf apices and lobes, and a localized area of green tissue around the base of the midrib.
0746048 fusiform rust Cronartium quercuum f.sp. fusiforme Telia of Cronartium quercuum f. sp. fusiforme on northern red oak (Quercus rubra).
0656059 Elm yellows Phytoplasma N/A Necrotic rootlets on Ulmus americana caused by elm phloem necrosis MLO infection.
0656057 Elm yellows Phytoplasma N/A Early foliar symptoms caused by elm phloem necrosis phytoplasma; healthy (left) and diseased (right) branches, showing epinasty of leaves.
0656058 Elm yellows Phytoplasma N/A Phloem discoloration in Ulmus americana caused by elm phloem necrosis phytoplasma infection; healthy (top) and diseased (bottom).
5371577 tree termite Nasutitermes costalis soldier
5371576 tree termite Nasutitermes costalis
5369744 poplar rust Melampsora medusae Yellowish uredia on leaf underside produced shortly before leaf drop in early October
1473020 Hypoxylon canker of aspen Entoleuca mammata
5366667 Siberian elm canker Botryodiplodia hypodermia Signs and symptoms of Botryodiplodia canker (Botryodiplodia hypodermia) on an elm trunk.
5356715 Cytospora cankers Cytospora spp. Cytosporaspore tendrils on Sycamore
1458060 larger elm leaf beetle Monocesta coryli adult with egg mass
5047091 Armillaria root rots Armillaria spp. tufts of mycellium
5258066 tar spot of maple Rhytisma acerinum
5258067 tar spot of maple Rhytisma acerinum
5258068 tar spot of maple Rhytisma acerinum
5259070 oak leaf blister Taphrina caerulescens
5259075 oak leaf blister Taphrina caerulescens
5259076 oak leaf blister Taphrina caerulescens
5259077 oak leaf blister Taphrina caerulescens
5259078 oak leaf blister Taphrina caerulescens
5259079 oak leaf blister Taphrina caerulescens
5259080 oak leaf blister Taphrina caerulescens
5259081 oak leaf blister Taphrina caerulescens
5257036 eye spot Phyllosticta minima
5257037 eye spot Phyllosticta minima
5265038 oak leaf blister Taphrina caerulescens
5209063 woolly apple aphid Eriosoma lanigerum Late spring colony in leaf curl
5190100 Septoria leaf spot and canker Septoria musiva necrotic area with dark fruiting bodies in center
5191001 oak leaf blister Taphrina caerulescens immature asci
1507052 gypsy moth Lymantria dispar Gypsy moth damage to oak leaves
1510055 locust leafminer Odontota dorsalis Locust leaf miner damage closeup
1512064 gypsy moth Lymantria dispar Male gypsy moths
1518007 oak slug sawfly Caliroa annulipes Slug oak sawfly caterpillars
1505058 hail Hail damage, cankering on dogwood
1504028 Pacific mistletoe Phoradendron villosum Mistletoe; Phoradendron sp.; oak
1501032 Dutch elm disease Ophiostoma ulmi Dutch elm disease, vascular streak
1501061 Phytophthora root rot Phytophthora cinnamomi Littleleaf disease; apple trap diagnosis P. cinn..
1503024 oak leaf blister Taphrina caerulescens Oak leaf blister; S. red oak
1503080 sulfur shelf Laetiporus sulphureus Heart rot; Polyporus sulphureus

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