| 'ala'a |
Pouteria sandwicensis |
2 |
| 'ohe mauka |
Tetraplasandra oahuensis |
2 |
| 'ohi'a lehua |
Metrosideros polymorpha |
22 |
| 2,4-D |
|
2 |
| acacia |
Acacia spp. |
4 |
| acacia |
Acacia trotilis ssp. heteracantha |
4 |
| acacia-ants |
Pseudomyrmex ferrugineus |
1 |
| acorn and nut weevils |
Curculio spp. |
15 |
| acorn weevil |
Curculio glandium |
29 |
| acorn-plum gall |
Amphibolips quercusjuglans |
1 |
| adelgid |
Sacchiphantes viridis |
1 |
| African tuliptree |
Spathodea campanulata |
6 |
| ailanthus webworm |
Atteva punctella |
2 |
| air pollutants |
|
5 |
| alder |
Alnus spp. |
4 |
| alder gall buprestid |
Eupristocerus spp. |
2 |
| alder lace bug |
Corythucha pergandei |
1 |
| alder leaf beetle |
Agelastica alni |
3 |
| alder moth |
Acronicta alni |
2 |
| alderleaf mountain mahogany |
Cercocarpus montanus |
1 |
| Alexandrian laurel |
Calophyllum inophyllum |
6 |
| Allegheny serviceberry |
Amelanchier laevis |
3 |
| alligator juniper |
Juniperus deppeana |
8 |
| almond |
Prunus dulcis |
1 |
| almond-leaved willow |
Salix triandra |
6 |
| Alternaria black molds / stem cankers |
Alternaria spp. |
1 |
| alternateleaf dogwood |
Cornus alternifolia |
2 |
| ambermarked birch leafminer |
Profenusa thomsoni |
1 |
| ambrosia beetle |
Xyleborus dryographus |
1 |
| ambrosia beetles |
Xylosandrus spp. |
1 |
| American aspen beetle |
Gonioctena americana |
1 |
| American basswood |
Tilia americana |
24 |
| American beautyberry |
Callicarpa americana |
23 |
| American beech |
Fagus grandifolia |
43 |
| American bladdernut |
Staphylea trifolia |
4 |
| American chestnut |
Castanea dentata |
34 |
| American dagger moth |
Acronicta americana |
1 |
| American elm |
Ulmus americana |
46 |
| American hawthorn rust |
Gymnosporangium globosum |
2 |
| American hazelnut |
Corylus americana |
3 |
| American holly |
Ilex opaca |
34 |
| American hornbeam |
Carpinus caroliniana |
25 |
| American mountain ash |
Sorbus americana |
5 |
| American plum borer |
Euzophera semifuneralis |
1 |
| American smoketree |
Cotinus obovatus |
11 |
| American sycamore |
Platanus occidentalis |
39 |
| Amur maple |
Acer ginnala |
17 |
| Amur maple |
Acer japonicum |
2 |
| angulose prominent |
Peridea angulosa |
1 |
| annosum root disease |
Heterobasidion annosum |
5 |
| annual cicada |
Tibicen pruinosa |
3 |
| Antarctic beech |
Nothofagus antarctica |
1 |
| anthracnose |
Apiognomonia quercina |
1 |
| anthracnose |
Colletotrichum acutatum |
2 |
| anthracnose |
Gnomonia spp. |
1 |
| aphid |
Eriosoma lanuginosa |
1 |
| aphid |
Lachnus roboris |
16 |
| aphid |
Panaphis juglandis |
1 |
| aphid |
Pemphigus populi |
1 |
| aphid |
Pemphigus populinigrae |
1 |
| aphid |
Pemphigus spyrothecae |
14 |
| aphid |
Prociphilus bumeliae |
15 |
| aphid |
Tetraneura spp. |
3 |
| aphid |
Tetraneura ulmi |
21 |
| aphid |
Tuberculatus annulatus |
7 |
| aphids |
|
11 |
| Appalachian mixed hardwoods |
|
17 |
| apple |
Malus domestica |
11 |
| apple blossom weevil |
Anthonomus pomorum |
1 |
| apple flea beetle |
Altica foliaceae |
1 |
| apple scab |
Venturia inaequalis |
5 |
| apple serviceberry |
Amelanchier x grandiflora |
1 |
| apple variegated Tortrix |
Archips xylosteana |
7 |
| apple wood stainer |
Monarthrum mali |
1 |
| Arizona sycamore |
Platanus wrightii |
4 |
| Arizona walnut |
Juglans major |
13 |
| Arkansas oak |
Quercus arkansana |
5 |
| Armillaria root rot |
Armillaria cepistipes |
2 |
| Armillaria root rot |
Armillaria gallica |
9 |
| Armillaria root rot |
Armillaria mellea |
8 |
| Armillaria root rot |
Armillaria tabescens |
6 |
| Armillaria root rots |
Armillaria spp. |
31 |
| armored scale |
Parlatoria crypta |
1 |
| artist's conk |
Ganoderma applanatum |
23 |
| ash |
Fraxinus angustifolia ssp. oxycarpa |
35 |
| ash |
Fraxinus spp. |
29 |
| ash and privet borer |
Tylonotus bimaculatus |
2 |
| ash anthracnose |
Gnomoniella fraxini |
9 |
| ash bark beetle |
Hylesinus varius |
10 |
| ash bark beetles |
Hylesinus spp. |
2 |
| ash bead gall mite |
Aceria fraxini |
1 |
| ash borer |
Podosesia syringae |
7 |
| ash decline |
|
4 |
| ash flower gall mite |
Eriophyes fraxiniflora |
7 |
| ash heart rot |
Perenniporia fraxinophila |
2 |
| ash leaf spot |
Mycosphaerella fraxinicola |
1 |
| ash midribgall midge |
Contarinia canadensis |
3 |
| ash plant bug |
Tropidosteptes amoenus |
6 |
| ash root rot |
Scytinostroma galactinum |
7 |
| ash sphinx |
Manduca jasminearum |
1 |
| ash weevil |
Stereonychus fraxini |
6 |
| ash yellows phytoplasma |
Candidatus Phytoplasma fraxini |
14 |
| Asian chestnut gall wasp |
Dryocosmus kuriphilus |
14 |
| Asian gypsy moth |
Lymantria dispar asiatica |
2 |
| Asian longhorned beetle |
Anoplophora glabripennis |
56 |
| asimina webworm moth |
Omphalocera munroei |
2 |
| aspen blotchminer |
Phyllonorycter apparella |
10 |
| aspen decline |
|
6 |
| aspen leafminer |
Phyllocnistis populiella |
13 |
| aspen leaftier |
Pseudosciaphila duplex |
1 |
| aspen petiole gall midge |
Contarinia petioli |
2 |
| aspen roller |
Ancylis laetana |
2 |
| aspen/poplar |
Populus spp. |
40 |
| assassin bug |
Zelus exsanguis |
1 |
| atrazine |
|
2 |
| Atropellis canker |
Atropellis piniphila |
1 |
| Australian redcedar |
Toona ciliata |
4 |
| Australian-pine |
Casuarina equisetifolia |
1 |
| autumn-olive |
Elaeagnus umbellata |
1 |
| azalea caterpillar |
Datana major |
4 |
| bacterial blight |
Xanthomonas arboricola pv. corylina |
2 |
| bacterial canker of poplar |
Xanthomonas populi |
6 |
| bacterial leaf scorch |
Xylella fastidiosa |
28 |
| bacterial wetwood |
Enterobacter nimipressuralis |
10 |
| bagworm |
Thyridopteryx ephemeraeformis |
13 |
| bagworms |
|
1 |
| balsam poplar |
Populus balsamifera |
15 |
| banded alder borer |
Rosalia funebris |
5 |
| banded ash borer |
Neoclytus caprea |
2 |
| banded elm bark beetle |
Scolytus schevyrewi |
8 |
| banksia |
Banksia spp. |
1 |
| baobab tree/ monkey bread tree |
Adansonia digitata |
12 |
| bark beetle |
Ernoporicus fagi |
2 |
| bark beetle |
Ernoporus tiliae |
1 |
| bark beetle |
Hylesinus fraxini |
3 |
| bark beetle |
Hylesinus wachtli orni |
3 |
| bark beetles |
|
1 |
| bark lice |
Archipsocus nomas |
4 |
| bark lice (Family Psocidae) |
|
3 |
| barred fruit-tree tortrix |
Pandemis cerasana |
2 |
| basal cankers |
|
1 |
| basal wound |
|
1 |
| basswood leafminer |
Baliosus nervosa |
4 |
| basswood leafroller |
Pantographa limata |
2 |
| basswood thrips |
Neohydatothrips tiliae |
4 |
| bastard oak |
Quercus sinuata |
1 |
| beaked hazelnut |
Corylus cornuta |
5 |
| bear |
Ursus spp. |
1 |
| beech bark beetle |
Taphrorychus bicolor |
27 |
| beech bark canker |
Neonectria coccinea var. faginata |
3 |
| beech bark disease |
Nectria coccinea |
53 |
| beech blight aphid |
Grylloprociphilus imbricator |
1 |
| beech bud gall midge |
Contarinia fagi |
1 |
| beech leaftier |
Psilocorsis cryptolechiella |
1 |
| beech scale |
Cryptococcus fagisuga |
33 |
| beech splendor beetle |
Agrilus viridis |
19 |
| beech weevil |
Orchestes fagi |
3 |
| beefsteak fungus |
Fistulina hepatica |
8 |
| belah |
Casuarina cristata |
1 |
| big poplar sphinx |
Pachysphinx occidentalis |
3 |
| bigleaf magnolia |
Magnolia macrophylla |
4 |
| bigleaf maple |
Acer macrophyllum |
13 |
| bigtooth aspen |
Populus grandidentata |
13 |
| birch |
Betula spp. |
7 |
| birch bark beetle |
Scolytus ratzeburgi |
14 |
| birch bell moth |
Epinotia tetraquetrana |
2 |
| birch conk |
Piptoporus betulinus |
14 |
| birch lace bug |
Corythucha pallipes |
1 |
| birch leaf-roller |
Deporaus betulae |
1 |
| birch leaffolder |
Ancylis discigerana |
2 |
| birch leafminer |
Fenusa pusilla |
20 |
| birch leafroller |
Epinotia solandriana |
1 |
| birch rust |
Melampsoridium betulinum |
1 |
| birch sawfly |
Arge pectoralis |
1 |
| birch skeletonizer |
Bucculatrix canadensisella |
2 |
| bird-cherry ermine |
Yponomeuta evonymella |
5 |
| bitter cherry |
Prunus emarginata |
2 |
| bitternut hickory |
Carya cordiformis |
20 |
| black ash |
Fraxinus nigra |
19 |
| black ash decline |
|
4 |
| black cherry |
Prunus serotina |
64 |
| black cottonwood |
Populus balsamifera ssp. trichocarpa |
1 |
| black knot |
Apiosporina morbosa |
28 |
| black locust |
Robinia pseudoacacia |
71 |
| black maple |
Acer nigrum |
5 |
| black maple |
Acer saccharum ssp. nigrum |
1 |
| black oak |
Quercus velutina |
19 |
| black pecan aphid |
Melanocallis caryaefoliae |
3 |
| black poui |
Jacaranda mimosifolia |
5 |
| black root rot |
Xylaria polymorpha |
2 |
| black rot |
Ceratocystis fimbriata |
14 |
| black scale |
Parasaissetia nigra |
1 |
| black stem borer |
Xylosandrus germanus |
2 |
| black twig borer |
Xylosandrus compactus |
2 |
| black walnut |
Juglans nigra |
32 |
| black wattle |
Acacia mearnsii |
22 |
| black willow |
Salix nigra |
20 |
| black witch's butter |
Exidia glandulosa |
2 |
| black-etched prominent |
Cerura scitiscripta |
1 |
| blackgum |
Nyssa sylvatica |
17 |
| blackheaded ash sawfly |
Tethida barda |
11 |
| blackjack oak |
Quercus marilandica |
41 |
| blackmargined aphid |
Monellia caryella |
4 |
| blackthorn |
Prunus spinosa |
2 |
| bloodtwig dogwood |
Cornus sanguinea |
3 |
| bloodwood |
Corymbia terminalis |
1 |
| blossom underwing |
Orthosia miniosa |
1 |
| blue ash |
Fraxinus quadrangulata |
5 |
| blue gum chalcid |
Leptocybe invasa |
3 |
| blue oak |
Quercus douglasii |
1 |
| blue stain fungi |
Ophiostoma spp. |
2 |
| bluejack oak |
Quercus incana |
11 |
| Blumeriella leaf spot of cherry and plum |
Blumeriella jaapii |
2 |
| bog birch |
Betula pumila |
6 |
| bog willow |
Salix pedicellaris |
1 |
| Bollean mistletoe |
Phoradendron bolleanum |
1 |
| bombax |
Bombax spp. |
1 |
| Bondarzewia berkeleyi |
Bondarzewia berkeleyi |
1 |
| book lice, psocids, and trogiids (Order Psocoptera) |
|
2 |
| Botryosphaeria canker |
Botryosphaeria dothidea |
3 |
| Botryosphaeria canker |
Botryosphaeria rhodina |
2 |
| Botryosphaeria canker |
Botryosphaeria ribis |
2 |
| bottlebrush |
Callistemon spp. |
1 |
| bottlebrush buckeye |
Aesculus parviflora |
10 |
| bottomland hardwoods |
|
27 |
| boxelder |
Acer negundo |
62 |
| boxelder bug |
Boisea trivittata |
24 |
| boxelder gall midge |
Contarinia negundinis |
3 |
| boxelder psyllid |
Cacopsylla negundinis |
1 |
| boxelder twig borer |
Proteoteras willingana |
1 |
| boxwood leafminer |
Monarthropalpus flavus |
4 |
| bracken chafer |
Phyllopertha horticola |
1 |
| Braconid wasp |
Atanycolus cappaerti |
5 |
| Braconid wasp |
Protapanteles liparidis |
1 |
| Braconid wasp |
Protapanteles porthetriae |
2 |
| Braconid wasps |
|
1 |
| brassy willow beetle |
Phratora vitellinae |
1 |
| breadfruit |
Artocarpus altilis |
9 |
| brindled shoot |
Gypsonoma minutana |
1 |
| brindled twist |
Ptycholoma lecheana |
2 |
| broad-leaved stringybark |
Eucalyptus caliginosa |
1 |
| broadleaf aiea |
Nothocestrum latifolium |
5 |
| broadleaf papala |
Charpentiera obovata |
1 |
| bronze birch borer |
Agrilus anxius |
25 |
| bronze leaf disease |
Apioplagiostoma populi |
16 |
| bronze poplar borer |
Agrilus liragus |
5 |
| bronzed cutworm |
Nephelodes minians |
1 |
| brown mite |
Bryobia rubrioculus |
1 |
| brown oak Tortrix |
Archips crataegana |
5 |
| brown root and collar rot |
Phellinus lamaënsis |
3 |
| brown root rot |
Phellinus noxius |
2 |
| brown soft scale |
Coccus hesperidum |
4 |
| brown-barred twist |
Epagoge grotiana |
1 |
| brownheaded ash sawfly |
Tomostethus multicinctus |
2 |
| browntail moth |
Euproctis chrysorrhoea |
91 |
| bruce spanworm |
Operophtera bruceata |
3 |
| buck moth |
Hemileuca maia |
2 |
| buckeye |
Aesculus spp. |
5 |
| buckthorn |
Rhamnus spp. |
11 |
| buckthorn bumelia |
Sideroxylon lycioides |
7 |
| buckthorn roller |
Ancylis unculana |
1 |
| buckwheat tree |
Cliftonia monophylla |
26 |
| buff-tip moth |
Phalera bucephala |
5 |
| bumelias buckthorn |
Bumelia spp. |
1 |
| bur oak |
Quercus macrocarpa |
32 |
| burdock borer |
Papaipema cataphracta |
1 |
| burl and decay |
|
8 |
| bursting-heart |
Euonymus americanus |
5 |
| butterflies, moths or skippers |
Lepidoptera (Order) |
7 |
| butternut |
Juglans cinerea |
32 |
| butternut canker |
Sirococcus clavigignenti-juglandacearum |
18 |
| butternut woolyworm |
Eriocampa juglandis |
4 |
| button mangrove |
Conocarpus erectus |
3 |
| buttonbush |
Cephalanthus occidentalis |
12 |
| California black oak |
Quercus kelloggii |
2 |
| California white oak |
Quercus lobata |
1 |
| Callery pear (Bradford pear) |
Pyrus calleryana |
3 |
| cambium miners |
Phytobia spp. |
1 |
| camellia |
Camellia japonica |
1 |
| camphortree |
Cinnamomum camphora |
1 |
| Canadian plum |
Prunus nigra |
3 |
| candelabra tree |
Euphorbia ingens |
2 |
| canker |
|
9 |
| canker and die back of Siberian Elm |
Tubercularia ulmea |
2 |
| canker rot |
Cerrena unicolor |
2 |
| canker rot |
Phellinus everhartii |
5 |
| cannonball tree |
Couroupita guianensis |
1 |
| capricorn beetle |
Cerambyx scopolii |
5 |
| Carolina ash |
Fraxinus caroliniana |
15 |
| Carolina buckthorn |
Frangula caroliniana |
11 |
| Carolina laurelcherry |
Prunus caroliniana |
31 |
| Carolina poplar |
Populus x canadensis |
9 |
| Carolina silverbell |
Halesia carolina |
8 |
| carpenter ants |
Camponotus spp. |
1 |
| carpenterworm |
Prionoxystus robiniae |
13 |
| casebearer moths |
Coleophora spp. |
11 |
| cat-faced spider |
Araneus gemmoides |
1 |
| catalpa sphinx |
Ceratomia catalpae |
9 |
| Catawba rosebay |
Rhododendron catawbiense |
5 |
| catberry |
Ilex mucronata |
1 |
| cauliflower gall mite |
Aceria populi |
2 |
| Cecidomyiid fly |
Harmandiola globuli |
1 |
| cecropia moth |
Hyalophora cecropia |
6 |
| cedar-apple rust |
Gymnosporangium juniperi-virginianae |
28 |
| Cenangium canker |
Cenangium singulare |
1 |
| Cenangium cankers |
Cenangium spp. |
6 |
| ceramic parchment |
Xylobolus frustulatus |
2 |
| Ceratocystis canker - stain of sycamore |
Ceratocystis fimbriata f.sp. platani |
5 |
| Ceratocystis wilts |
Ceratocystis spp. |
1 |
| chainspotted geometer |
Cingilia catenaria |
1 |
| chanterelle |
Cantharellus cibarius |
1 |
| Chapman oak |
Quercus chapmanii |
4 |
| checkertree |
Sorbus torminalis |
16 |
| chemicals |
|
9 |
| chequered fruit-tree tortrix |
Pandemis coorylana |
1 |
| cherry birch |
Betula lenta |
9 |
| cherry curculio |
Anthonomus consors |
5 |
| cherry leaf spot |
Blumeria jaapii |
1 |
| cherry scallop shell moth |
Rheumaptera prunivorata |
13 |
| cherry webspinning sawfly |
Neurotoma fasciata |
4 |
| cherrybark oak |
Quercus pagoda |
28 |
| chess-apple |
Sorbus aria |
17 |
| chestnut blight or canker |
Cryphonectria parasitica |
144 |
| chestnut leafroller |
Pammene fasciana |
2 |
| chestnut oak |
Quercus prinus |
32 |
| chestnut timberworm |
Melittomma sericeum |
2 |
| chestnut weevil |
Mecorhis cumulatus |
2 |
| Chickasaw plum |
Prunus angustifolia |
8 |
| Chilean fire bush |
Embothrium coccineum |
2 |
| chinaberry |
Melia azedarach |
5 |
| Chinese banyan |
Ficus microcarpa |
2 |
| Chinese chestnut |
Castanea mollissima |
14 |
| Chinese elm |
Ulmus parvifolia |
9 |
| Chinese holly |
Ilex cornuta |
3 |
| Chinese parasoltree |
Firmiana simplex |
21 |
| Chinese pistache |
Pistacia chinensis |
1 |
| Chinese privet |
Ligustrum sinense |
1 |
| Chinese tallowtree |
Triadica sebifera |
6 |
| chinkapin |
Castanea pumila |
15 |
| chinkapin oak |
Quercus muehlenbergii |
30 |
| chipping |
|
1 |
| chokecherry midge |
Contarinia virginianae |
3 |
| Chromelosporium fungus |
Chromelosporium fulvum |
1 |
| Ciboria fungus |
Ciboria batschiana |
3 |
| cicada |
Platypedia putnami |
1 |
| cicadas |
|
2 |
| cinnamon bracket |
Hapalopilus rutilans |
1 |
| clay-colored leaf beetle |
Anomoea laticlavia |
8 |
| clearwing borer |
Carmenta mimuli |
3 |
| clinker polypore |
Inonotus obliquus |
17 |
| Clitocybe root diseases |
Clitocybe spp. |
1 |
| clomazone |
|
2 |
| coast live oak |
Quercus agrifolia |
6 |
| coastal plain willow |
Salix caroliniana |
3 |
| coastal sandalwood |
Santalum ellipticum |
2 |
| coastal spicebush swallowtail |
Papilio troilus ilioneus |
1 |
| coastal sweetpepperbush |
Clethra alnifolia |
14 |
| cock's head bell |
Zeiraphera isertana |
2 |
| codling moth |
Cydia pomonella |
2 |
| cohiue |
Nothofagus dombeyi |
1 |
| cold injury (low temperature) |
|
1 |
| colorado hairstreak |
Hypaurotis crysalus |
1 |
| Columbian timber beetle |
Corthylus columbianus |
7 |
| columbine leafminer |
Phytomyza aquilegivora |
1 |
| common chokecherry |
Prunus virginiana |
27 |
| common cockchafer |
Melolontha melolontha |
3 |
| common elderberry |
Sambucus nigra |
3 |
| common elderberry |
Sambucus nigra ssp. canadensis |
5 |
| common filbert |
Corylus avellana |
2 |
| common greenshield lichen |
Flavoparmelia caperata |
1 |
| common hackberry |
Celtis occidentalis |
30 |
| common horse chestnut |
Aesculus hippocastanum |
44 |
| common persimmon |
Diospyros virginiana |
17 |
| common sawflies |
Nematus spp. |
1 |
| common sawflies |
Periclista spp. |
2 |
| common sawflies |
Scolioneura spp. |
2 |
| common sawfly |
Apethymus filiformis |
1 |
| common sawfly |
|
2 |
| common sawfly |
Periclista lineolata |
7 |
| common sawfly |
Pontania viminalis |
5 |
| common sawfly |
Pristiphora laricis |
1 |
| common sawfly |
Profenusa pygmaea |
1 |
| common sawfly |
Tomostethus nigritus |
1 |
| common sweetleaf |
Symplocos tinctoria |
8 |
| common tarcrust |
Diatrype stigma |
1 |
| Compton's oak |
Quercus x comptoniae |
13 |
| conifer sawfly |
Diprion pini |
1 |
| Conobathra moth |
Conobathra repandana |
1 |
| construction |
|
1 |
| coral tree |
Erythrina caffra |
4 |
| cork oak |
Quercus suber |
13 |
| corky bark disease |
Diplodia tumefaciens |
1 |
| Cory's mistletoe |
Phoradendron coryae |
3 |
| cotoneaster |
Cotoneaster melanocarpus |
3 |
| cotton leafworm, tobacco cutworm |
Spodoptera litura |
1 |
| cottonwood borer |
Plectrodera scalator |
8 |
| cottonwood catkingall mite |
Eriophyes neoessegi |
1 |
| cottonwood clearwing borer |
Paranthrene dollii |
2 |
| cottonwood crown borer |
Sesia tibialis |
1 |
| cottonwood leaf beetle |
Chrysomela scripta |
22 |
| cottonwood leaf curl mite |
Aculus lobulifera |
2 |
| cottonwood leafminers |
Bucculatrix spp. |
1 |
| cottonwood twig borer |
Gypsonoma haimbachiana |
6 |
| cottony cushion scale |
Icerya purchasi |
10 |
| cottony maple leaf scale |
Pulvinaria acericola |
3 |
| cottony maple scale |
Pulvinaria innumerabilis |
2 |
| coyote willow |
Salix exigua |
9 |
| crabapple and apple |
Malus spp. |
5 |
| crack willow |
Salix fragilis |
57 |
| crow's nest ash |
Flindersia australis |
5 |
| crown coral mushroom |
Clavicorona pyxidata |
5 |
| crown gall |
Rhizobium radiobacter |
4 |
| crown rust |
Puccinia coronata |
1 |
| crowned slug |
Isa textula |
5 |
| Cryptosphaeria canker |
Cryptosphaeria ligniota |
3 |
| Cryptosphaeria cankers |
Cryptosphaeria spp. |
2 |
| cucumber-tree |
Magnolia acuminata |
6 |
| currant borer |
Synanthedon tipuliformis |
1 |
| curtain fig |
Ficus virens |
7 |
| Cylindrocarpon fungi |
Cylindrocarpon spp. |
1 |
| Cylindrocladium root diseases |
Cylindrocladium spp. |
2 |
| Cynipid gall wasp |
Acraspis macrocarpae |
1 |
| Cynipid gall wasp |
Andricus albipes |
1 |
| Cynipid gall wasp |
Andricus caputmedusae |
17 |
| Cynipid gall wasp |
Andricus crispator |
4 |
| Cynipid gall wasp |
Andricus curvator |
4 |
| Cynipid gall wasp |
Andricus galeatus |
3 |
| Cynipid gall wasp |
Andricus glutinosus |
1 |
| Cynipid gall wasp |
Andricus lignicolus |
3 |
| Cynipid gall wasp |
Andricus lucidus |
6 |
| Cynipid gall wasp |
Andricus quercusradicis |
1 |
| Cynipid gall wasp |
Andricus quercustozae |
32 |
| Cynipid gall wasp |
Andricus solitarius |
4 |
| Cynipid gall wasp |
Aphelonyx cerricola |
12 |
| Cynipid gall wasp |
Cynips divisa |
1 |
| Cynipid gall wasp |
Cynips glutinosa |
1 |
| Cynipid gall wasp |
Cynips longiventris |
1 |
| Cynipid gall wasp |
Cynips quercusfolii |
17 |
| Cynipid gall wasp |
|
7 |
| Cynipid gall wasp |
Neuroterus quercusbaccarum |
4 |
| Cynipid wasp |
Acraspis erinacei |
2 |
| Cytospora canker |
Valsa sordida |
6 |
| Cytospora cankers |
Cytospora spp. |
3 |
| dark fruit-tree tortrix |
Pandemis heperana |
1 |
| darling underwing |
Catocala cara carissima |
1 |
| Darlington oak |
Quercus hemisphaerica |
4 |
| deadwood and snags |
|
3 |
| decay |
|
14 |
| decorated owlet moth |
Pangrapta decoralis |
1 |
| deer |
|
2 |
| definite-marked tussock moth |
Orgyia definita |
2 |
| defoliation due to unknown cause |
|
5 |
| desert oak |
Allocasuarina decaisneana |
1 |
| devil's walkingstick |
Aralia spinosa |
14 |
| devilwood |
Osmanthus americanus |
26 |
| diamond-back marble |
Eudemis profundana |
2 |
| diamondleaf willow |
Salix planifolia |
1 |
| Diatrype fungus |
Diatrype disciformis |
1 |
| dieback |
|
3 |
| Diplodia blight |
Sphaeropsis sapinea |
1 |
| divi divi |
Caesalpinia coriaria |
1 |
| dodder |
Cuscuta spp. |
1 |
| dog's nose fungus |
Camarops petersii |
6 |
| dog-day cicada |
Tibicen spp. |
4 |
| dogwood |
Cornus spp. |
3 |
| dogwood anthracnose |
Discula destructiva |
10 |
| dogwood borer |
Synanthedon scitula |
1 |
| dogwood clubgall midge |
Resseliella clavula |
1 |
| dogwood sawfly |
Macremphytus tarsatus |
3 |
| dogwood twig borer |
Oberea tripunctata |
4 |
| Dothichiza canker |
Dothichiza populea |
5 |
| dothichiza canker of poplar |
Cryptodiaporthe populea |
3 |
| Dothiorella gummosis and rot |
Dothiorella gregaria |
1 |
| Douglas-fir tussock moth |
Orgyia pseudotsugata |
2 |
| downy birch |
Betula pubescens |
8 |
| downy oak |
Quercus pubescens |
34 |
| drab oak piercer |
Pammene splendidulana |
1 |
| drooping sheoak |
Allocasuarina verticillata |
2 |
| drought |
|
9 |
| Drummond's maple |
Acer rubrum var. drummondii |
2 |
| dry forest |
|
1 |
| Dryad's Saddle |
Polyporus squamosus |
7 |
| dusky birch sawfly |
Croesus latitarsus |
4 |
| dusky clearwing |
Paranthrene tabaniformis |
1 |
| Dutch elm disease |
Ophiostoma ulmi |
55 |
| Dutch elm disease (novi-ulmi) |
Ophiostoma novo-ulmi |
4 |
| dwarf apple |
Angophora hispida |
1 |
| dwarf chinkapin oak |
Quercus prinoides |
20 |
| dwarf hackberry |
Celtis tenuifolia |
12 |
| dwarf hawthorn |
Crataegus uniflora |
1 |
| dwarf sumac |
Rhus copallinum |
7 |
| dwarf witchalder |
Fothergilla gardenii |
1 |
| dynamic tree support |
|
1 |
| early thorn |
Selenia dentaria |
1 |
| East Asian seed beetle |
Megabruchidius tonkineus |
2 |
| eastern ash bark beetle |
Hylesinus aculeatus |
4 |
| eastern baccharis |
Baccharis halimifolia |
2 |
| eastern cottonwood |
Populus deltoides |
18 |
| eastern cottonwood |
Populus deltoides ssp. deltoides |
7 |
| Eastern filbert blight |
Anisogramma anomala |
1 |
| eastern gray squirrel |
Sciurus carolinensis |
2 |
| eastern leatherwood |
Dirca palustris |
5 |
| Eastern Nycteoline |
Nycteola asiatica |
11 |
| eastern poplar buprestid |
Poecilonota cyanipes |
1 |
| eastern redbud |
Cercis canadensis |
52 |
| eastern sweetshrub |
Calycanthus floridus |
7 |
| eastern tent caterpillar |
Malacosoma americanum |
41 |
| eastern tiger swallowtail |
Papilio glaucus |
1 |
| eastern white pine |
Pinus strobus |
1 |
| Ectoedemia liebwerdella |
Ectoedemia liebwerdella |
16 |
| Ectomycorrhizae |
Thelephora terrestris |
1 |
| Egyptian Thorn |
Acacia nilotica |
17 |
| eightspotted forester |
Alypia octomaculata |
1 |
| elder borer |
Desmocerus palliatus |
1 |
| elderberry |
Sambucus spp. |
3 |
| elegant polypore |
Polyporus varius |
2 |
| elk |
Cervus canadensis |
7 |
| elm |
Ulmus spp. |
5 |
| elm argid sawfly |
Arge scapularis |
4 |
| elm borer |
Saperda tridentata |
2 |
| elm cockscombgall aphid |
Colopha ulmicola |
1 |
| elm flea beetle |
Altica carinata |
1 |
| elm lace bug |
Corythucha ulmi |
2 |
| elm leaf beetle |
Xanthogaleruca luteola |
43 |
| elm leafminer |
Kaliofenusa ulmi |
23 |
| elm oyster |
Hypsizygus tessulatus |
1 |
| elm sawfly |
Cimbex americana |
14 |
| elm spanworm |
Ennomos subsignaria |
8 |
| elm sphinx |
Ceratomia amyntor |
1 |
| Elm yellows |
Phytoplasma |
25 |
| Elytroderma needle cast of pine |
Elytroderma deformans |
1 |
| emerald ash borer |
Agrilus planipennis |
202 |
| English elm |
Ulmus procera |
11 |
| English hawthorn |
Crataegus monogyna |
4 |
| English oak |
Quercus robur |
88 |
| English walnut |
Juglans regia |
46 |
| epicormic branch |
|
3 |
| Eriophyid mite |
Aceria macrorrhyncha |
21 |
| Eriophyid mite |
Aceria macrotricha |
7 |
| Eriophyid mite |
Aceria tenella |
7 |
| Eriophyid mite |
Eriophyes diversipunctatus |
11 |
| Eriophyid mite |
Eriophyes populi |
1 |
| Eriophyid mite |
Eriophyes triradiatus |
1 |
| Eriophyid mite |
|
16 |
| Eriophyid mites |
Eriophyes spp. |
12 |
| erythrina |
Erythrina spp. |
1 |
| eucalyptus |
Eucalyptus spp. |
22 |
| eucalyptus borer |
Phoracantha recurva |
1 |
| eucalyptus canker |
Cryphonectria cubensis |
3 |
| eucalyptus longhorned borer |
Phoracantha semipunctata |
5 |
| eucalyptus weevil |
Gonipterus scutellatus |
2 |
| European alder |
Alnus glutinosa |
83 |
| European alder leafminer |
Fenusa dohrnii |
7 |
| European ash |
Fraxinus excelsior |
25 |
| european ash flowergall mite |
Aceria fraxinivora |
1 |
| European aspen |
Populus tremula |
28 |
| European beaver |
Castor fiber |
1 |
| European beech |
Fagus sylvatica |
96 |
| european beech leaf roll mite |
Aceria stenaspis |
1 |
| European Beech Leafhopper |
Fagocyba cruenta |
1 |
| european beech upper leaf erineum mite |
Aceria nervisequa |
2 |
| European bird cherry |
Prunus padus |
2 |
| European buckthorn |
Rhamnus cathartica |
1 |
| European chestnut |
Castanea sativa |
33 |
| European corn borer |
Ostrinia nubilalis |
1 |
| European crabapple |
Malus sylvestris |
2 |
| european crane flies |
Tipula spp. |
1 |
| European earwig |
Forficula auricularia |
1 |
| European elm flea weevil |
Orchestes alni |
8 |
| European elm leafcurl aphid |
Eriosoma ulmi |
1 |
| European elm scale |
Eriococcus spuria |
18 |
| European elm scale |
Gossyparia spuria |
2 |
| European fir engraver beetle |
Pityokteines vorontzowi |
4 |
| European fruit lecanium |
Parthenolecanium corni |
3 |
| European hardwood ambrosia beetle |
Trypodendron domesticum |
5 |
| European hornbeam |
Carpinus betulus |
55 |
| European hornet |
Vespa crabro |
1 |
| European larch |
Larix decidua |
1 |
| European mistletoe |
Viscum album |
16 |
| European mountain-ash |
Sorbus aucuparia |
8 |
| European oak bark beetle |
Scolytus intricatus |
11 |
| European oak leaf roller |
Tortrix viridana |
38 |
| European rosette willow gall midge |
Rabdophaga rosaria |
2 |
| European shot-hole borer |
Xyleborus dispar |
1 |
| European silver fir weevil |
Pissodes piceae |
2 |
| European smoketree |
Cotinus coggygria |
1 |
| European spruce bark beetle |
Ips typographus |
41 |
| European turkey oak |
Quercus cerris |
31 |
| European white birch |
Betula pendula |
28 |
| European white elm |
Ulmus laevis |
36 |
| Eutypella canker |
Eutypella parasitica |
22 |
| Eutypella canker |
Eutypella sorbi |
3 |
| exposed roots |
|
1 |
| eye spot |
Phyllosticta minima |
11 |
| eyespotted bud moth |
Spilonota ocellana |
1 |
| fall cankerworm |
Alsophila pometaria |
8 |
| fall color |
|
22 |
| fall webworm |
Hyphantria cunea |
52 |
| false poison sumac |
Rhus michauxii |
7 |
| false tinder polypore |
Phellinus igniarius |
18 |
| false turkey tail |
Stereum gausapatum |
5 |
| false turkey tail |
Stereum ostrea |
1 |
| fetterbush lyonia |
Lyonia lucida |
2 |
| fever tree |
Acacia xanthophloea |
5 |
| field maple bark gall mite |
Aceria heteronyx |
10 |
| fig scale |
Lepidosaphes conchiformis |
2 |
| fig/banyan |
Ficus spp. |
9 |
| fire |
|
6 |
| fire blight |
Erwinia amylovora |
7 |
| flat-faced longhorn |
Urographis fasciatus |
2 |
| flatheaded appletree borer |
Chrysobothris femorata |
1 |
| flatheaded borer |
Poecilonota thureura |
3 |
| flatheaded or metallic wood borer |
|
16 |
| flatid planthopper |
|
1 |
| flooding/high water |
|
1 |
| Florida anisetree |
Illicium floridanum |
1 |
| Florida hobblebush |
Agarista populifolia |
2 |
| Florida red scale |
Chrysomphalus aonidum |
8 |
| flowering ash |
Fraxinus ornus |
36 |
| flowering dogwood |
Cornus florida |
31 |
| flush cut |
|
8 |
| fly agaric |
Amanita muscaria |
9 |
| forest caterpillar hunter |
Calosoma sycophanta |
1 |
| forest tent caterpillar |
Malacosoma disstria |
68 |
| forester caterpillars |
Alypia spp. |
1 |
| formosan subterranean termite |
Coptotermes formosanus |
1 |
| Fremont cottonwood |
Populus fremontii |
2 |
| froghopper |
Cercopis sanguinolenta |
1 |
| froghopper |
Cercopis spp. |
1 |
| froghopper |
Cercopis vulnerata |
6 |
| frost and winter injury (general) |
|
47 |
| frosted green |
Polyploca ridens |
1 |
| fuchsia gum |
Eucalyptus forrestiana |
1 |
| Fusarium damping-off |
Fusarium solani |
1 |
| Fusarium root rot and wilt |
Fusarium oxysporum |
1 |
| Fusarium wilts, blights, rots and damping-off |
Fusarium spp. |
7 |
| fusiform rust |
Cronartium quercuum f.sp. fusiforme |
2 |
| gall midge |
Contarinia subulifex |
7 |
| gall midge |
Craneiobia corni |
13 |
| gall midge |
Didymomyia tiliacea |
5 |
| gall midge |
Dryomia circinnans |
28 |
| gall midge |
Harrisomyia vitrina |
1 |
| gall midge |
Hartigiola annulipes |
10 |
| gall midge |
Janetia cerris |
2 |
| gall midge |
Lasioptera populnea |
2 |
| gall midge |
Macrodiplosis volvens |
1 |
| gall midge |
Mikiola fagi |
13 |
| gall midge |
Obolodiplosis robiniae |
11 |
| gall midge |
Rabdophaga salicis |
7 |
| gall midge |
Rabdophaga strobilina |
1 |
| gall midges |
|
4 |
| gallberry |
Ilex glabra |
1 |
| gallmaking maple borer |
Xylotrechus aceris |
2 |
| galls |
|
9 |
| Gambel oak |
Quercus gambelii |
19 |
| Ganoderma root and butt rot |
Ganoderma australe |
11 |
| Ganoderma root and butt rot |
Ganoderma lucidum |
36 |
| Ganoderma root rots |
Ganoderma spp. |
2 |
| garden plum |
Prunus domestica |
2 |
| garden rose tortricid moth |
Acleris variegana |
1 |
| Geometrid moth |
Agriopis marginaria |
1 |
| Geometrid moth |
Lambdina vitraria |
4 |
| Geometrid moth |
|
6 |
| Geometrid moth |
Peribatodes rhomboidaria |
1 |
| Georgia oak |
Quercus georgiana |
19 |
| ghost gum |
Corymbia papuana |
1 |
| giant bark aphid |
Longistigma caryae |
5 |
| giant coccid |
Kuwania quercus |
2 |
| giant coccids |
Xylococculus quercus |
2 |
| Giant ichneumon wasp |
Megarhyssa spp. |
2 |
| giant root borers |
Prionus spp. |
3 |
| giant willow aphid |
Tuberolachnus salignus |
7 |
| Gibberella canker |
Gibberella baccata |
2 |
| gilled polypore |
Lenzites betulina |
5 |
| ginger button |
Acleris aspersana |
1 |
| ginkgo |
Ginkgo biloba |
53 |
| gloomy scale |
Melanaspis tenebricosa |
3 |
| glossy buckthorn |
Frangula alnus |
2 |
| goat willow |
Salix caprea |
6 |
| Gold pit oak splendour beetle |
Chrysobothris affinis |
6 |
| golden oak of Cyprus |
Quercus alnifolia |
2 |
| golden oak scale |
Asterodiaspis variolosa |
1 |
| golden oak scale |
Asterolecanium variolosum |
1 |
| goldenrain tree |
Koelreuteria bipinnata |
13 |
| goldenrain tree |
Koelreuteria paniculata |
1 |
| goldenseal |
Hydrastis canadensis |
1 |
| goldspotted oak borer |
Agrilus coxalis auroguttatus |
9 |
| gouty oak gall |
Callirhytis quercuspunctata |
19 |
| grain support beetle |
Aegosoma scabricorne |
8 |
| grand eucalyptus |
Eucalyptus grandis |
4 |
| granulate ambrosia beetle |
Xylosandrus crassiusculus |
3 |
| granulate poplar borer |
Agrilus granulatus granulatus |
1 |
| grape mealybug |
Pseudococcus maritimus |
1 |
| gray alder |
Alnus incana |
24 |
| gray mold |
Botrytis cinerea |
3 |
| gray sheoak |
Casuarina glauca |
1 |
| great ash sphinx |
Sphinx chersis |
5 |
| great capricorn beetle |
Cerambyx cerdo |
13 |
| great oak beauty |
Hypomecis roboraria |
1 |
| Greek strawberry tree |
Arbutus andrachne |
1 |
| green alder |
Alnus viridis |
2 |
| green alga |
Cephaleuros virescens |
3 |
| green ash |
Fraxinus pennsylvanica |
63 |
| green budworm |
Hedya nubiferana |
2 |
| green hawthorn |
Crataegus viridis |
4 |
| Greene's mountain ash |
Sorbus scopulina |
14 |
| greenstriped mapleworm |
Dryocampa rubicunda |
5 |
| grey poplar bell |
Epinotia nisella |
1 |
| Guiana-chestnut |
Pachira aquatica |
3 |
| Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
7 |
| gumbo limbo |
Bursera simaruba |
4 |
| gungurra |
Eucalyptus caesia |
1 |
| Gynosporanium rusts |
Gymnosporangium spp. |
1 |
| gypsy moth |
Lymantria dispar |
285 |
| hackberry |
Celtis spp. |
2 |
| hackberry blistergall psyllid |
Pachypsylla celtidisvesiculum |
7 |
| hackberry bud gall maker |
Pachypsylla celtidisgemma |
1 |
| hackberry emperor |
Asterocampa celtis |
1 |
| hackberry lace bug |
Corythucha celtidis |
3 |
| hackberry nipple gall parasitoid |
Eurytoma semivenae |
1 |
| hackberry nipplegall maker |
Pachypsylla celtidismamma |
7 |
| hackberry witches' broom |
|
6 |
| hail |
|
8 |
| hairy stereum |
Stereum hirsutum |
24 |
| harvest |
|
1 |
| harvesting |
|
5 |
| Hawai'i kauilatree |
Alphitonia ponderosa |
6 |
| Hawai'i olive |
Nestegis sandwicensis |
29 |
| Hawai'i pricklyash |
Zanthoxylum hawaiiense |
2 |
| Hawai'i roughbush |
Streblus pendulinus |
7 |
| hawthorn |
Crataegus spp. |
27 |
| hawthorn leafminer |
Profenusa canadensis |
4 |
| hawthorn mealybug |
Phenacoccus dearnessi |
5 |
| hazel alder |
Alnus serrulata |
27 |
| hazel leaf-roller |
Byctiscus betulae |
13 |
| heart rot |
Phellinus rimosus |
3 |
| heart-leaved willow |
Salix eriocephala |
3 |
| heath-leaf banksia |
Banksia ericifolia |
4 |
| Hebrew character |
Orthosia gothica |
1 |
| hedge maple |
Acer campestre |
43 |
| hemlock varnish shelf |
Ganoderma tsugae |
2 |
| hemlock woolly adelgid |
Adelges tsugae |
3 |
| hen of the woods |
Grifola frondosa |
1 |
| herbicides (general) |
|
9 |
| Hercules' club |
Zanthoxylum clava-herculis |
1 |
| Hericium fungi |
Hericium spp. |
4 |
| Hericium fungus |
Hericium coralloides |
2 |
| hickory |
Carya spp. |
2 |
| hickory agrilus |
Agrilus otiosus |
3 |
| hickory bark beetle |
Scolytus quadrispinosus |
1 |
| hickory decline |
|
1 |
| hickory gall phylloxera |
Phylloxera caryaecaulis |
2 |
| hickory horned devil |
Citheronia regalis |
6 |
| hickory shoot curculio |
Conotrachelus aratus |
5 |
| hickory shuckworm |
Cydia caryana |
13 |
| hickory tussock moth |
Lophocampa caryae |
3 |
| hierba del soldado |
Melochia umbellata |
1 |
| hispidus canker |
Inonotus hispidus |
17 |
| hobblebush |
Viburnum lantanoides |
1 |
| hog plum |
Prunus umbellata |
3 |
| honey bee |
Apis mellifera |
1 |
| honeylocust |
Gleditsia triacanthos |
40 |
| honeylocust leafhopper |
Macropsis fumipennis |
3 |
| honeylocust plant bug |
Diaphnocoris chlorionis |
5 |
| honeylocust pod gall midge |
Dasineura gleditchiae |
6 |
| honeylocust spider mite |
Platytetranychus multidigituli |
1 |
| hophornbeam |
Ostrya virginiana |
29 |
| hoptree |
Ptelea trifoliata |
1 |
| Horace's duskywing |
Erynnis horatius |
1 |
| horned oak gall |
Callirhytis cornigera |
6 |
| hornet moth |
Sesia apiformis |
2 |
| horse chestnut leafminer |
Cameraria ohridella |
48 |
| huisache girdler |
Oncideres pustulata |
2 |
| human caused injury |
|
16 |
| hunting wasp |
Pemphredon spp. |
1 |
| hurricane |
|
3 |
| Hymenochaete fungus |
Hymenochaete rubiginosa |
2 |
| Hypoxylon canker |
Annulohypoxylon thouarsianum var. thouarsianum |
3 |
| Hypoxylon canker |
Biscogniauxia atropunctata |
1 |
| Hypoxylon canker |
Hypoxylon fragiforme |
6 |
| Hypoxylon canker of aspen |
Entoleuca mammata |
19 |
| Hypoxylon canker of oak |
Biscogniauxia atropunctata atropunctata |
23 |
| Hypoxylon cankers |
Hypoxylon spp. |
12 |
| imbedded objects |
|
10 |
| imported willow leaf beetle |
Plagiodera versicolora |
8 |
| improvement treatments |
|
1 |
| included bark |
|
2 |
| Indian walnut |
Aleurites moluccana |
13 |
| Indonesian gum |
Eucalyptus deglupta |
2 |
| ink spot leaf blight |
Ciborinia whetzelii |
3 |
| inky cap |
Coprinus radians |
1 |
| Inonotus canker |
Inonotus cuticularis |
6 |
| Inonotus canker |
Inonotus ludovicianus |
1 |
| Inonotus canker |
Inonotus nidus-pici |
4 |
| Inonotus canker |
Inonotus nodulosus |
2 |
| Inonotus canker |
Inonotus radiatus |
1 |
| Inonotus heartrot |
Inonotus rickii |
8 |
| intensive dieback of ash |
Chalara fraxinea |
20 |
| introduced basswood thrips |
Thrips calcaratus |
1 |
| io moth |
Automeris io io |
2 |
| io moth |
Automeris io |
4 |
| iron deficiency |
|
20 |
| Irpex canker |
Spongipellis pachyodon |
3 |
| Japanese alder |
Alnus japonica |
3 |
| Japanese beetle |
Popillia japonica |
3 |
| Japanese maple |
Acer palmatum |
3 |
| Japanese maple scale |
Lopholeucaspis japonica |
2 |
| Japanese raisintree |
Hovenia dulcis |
12 |
| Japanese stewartia |
Stewartia pseudocamellia |
1 |
| Japanese torreya |
Torreya nucifera |
6 |
| Japanese wax scale |
Ceroplastes japonicus |
1 |
| jarrah |
Eucalyptus marginata |
2 |
| Java black rot |
Lasiodiplodia theobromae |
2 |
| Javanese bishopwood |
Bischofia javanica |
6 |
| jelly fungus |
Calocera cornea |
2 |
| jewel beetle |
Agrilus sulcicollis |
1 |
| juniper-pear rust |
Gymnosporangium sabinae |
2 |
| karri |
Eucalyptus diversicolor |
5 |
| katydid |
|
9 |
| kauri |
Agathis australis |
17 |
| Kentish glory |
Endromis versicolora |
1 |
| Kentucky coffeetree |
Gymnocladus dioicus |
26 |
| Kentucky yellowwood |
Cladrastis kentukea |
16 |
| kermes scale |
Allokermes essigii |
1 |
| kermes scale |
Allokermes gillettei |
3 |
| kermes scales |
Kermes spp. |
5 |
| kiawe |
Prosopis pallida |
13 |
| kidney-spot ladybird |
Chilocorus renipustulatus |
1 |
| Klamath plum |
Prunus subcordata |
1 |
| Knab's leaf beetle |
Chrysomela knabi |
3 |
| knopper gall |
Andricus quercuscalicis |
23 |
| koa |
Acacia koa |
45 |
| Kobus magnolia |
Magnolia kobus |
1 |
| Kousa dogwood |
Cornus kousa |
1 |
| kudzu |
Pueraria montana var. lobata |
3 |
| kudzu bug |
Megacopta cribraria |
5 |
| lace bugs |
Corythucha spp. |
2 |
| lace bugs |
|
2 |
| lace bugs |
Teleonemia spp. |
3 |
| lackey moth |
Malacosoma neustria |
11 |
| lady beetle |
|
1 |
| lakes and ponds |
|
1 |
| Lanai colicwood |
Myrsine lanaiensis |
1 |
| lappet moth |
Gastropacha quercifolia |
1 |
| larch casebearer |
Coleophora laricella |
5 |
| larch elm bark beetle |
Hylesinus crenatus |
8 |
| larch gall moth |
Cydia milleniana |
1 |
| large aspen tortrix |
Choristoneura conflictana |
27 |
| large elm beetle |
Scolytus scolytus |
5 |
| large fruit-tree tortrix |
Archips podana |
2 |
| large gray willow |
Salix cinerea |
5 |
| large oak-apple gall |
Amphibolips confluenta |
3 |
| large timberworm |
Elateroides dermestoides |
12 |
| large-fruited mallee |
Eucalyptus youngiana |
3 |
| largeleaf linden |
Tilia platyphyllos |
20 |
| larger boxelder leafroller |
Archips negundana |
1 |
| larger elm leaf beetle |
Monocesta coryli |
17 |
| larger shothole borer |
Scolytus mali |
1 |
| late oyster mushroom |
Panellus serotinus |
1 |
| laurel oak |
Quercus laurifolia |
5 |
| laurel sphinx |
Sphinx kalmiae |
1 |
| laurel wilt |
Raffaelea lauricola |
34 |
| leaf beetle |
Chrysomela cuprea |
2 |
| leaf beetle |
Chrysomela mainensis |
1 |
| leaf beetle |
Crepidodera pluta |
1 |
| leaf beetle |
Cryptocephalus coryli |
1 |
| leaf beetle |
Gonioctena quinquepunctata |
1 |
| leaf beetle |
|
7 |
| leaf beetle |
Octotoma plicatula |
1 |
| leaf beetle |
Phratora laticollis |
1 |
| leaf beetle |
Phratora vulgatissima |
4 |
| leaf blister of birch |
Taphrina betulina |
6 |
| leaf blister of maple |
Taphrina sacchari |
2 |
| leaf blister of poplar |
Taphrina populina |
3 |
| leaf blotch miner moth |
Caloptilia alchimiella |
1 |
| leaf blotch miner moth |
|
1 |
| leaf blotch miner moth |
Phyllocnistis labyrinthella |
1 |
| leaf blotch miner moth |
Phyllonorycter acernella |
1 |
| leaf blotch miner moth |
Phyllonorycter heegeriella |
4 |
| leaf blotch miner moth |
Phyllonorycter issikii |
29 |
| leaf blotch miner moth |
Phyllonorycter platani |
2 |
| leaf blotch miner moth |
Phyllonorycter populifoliella |
1 |
| leaf blotch miner moth |
Phyllonorycter robiniella |
9 |
| leaf blotch miner moth |
Phyllonorycter roboris |
9 |
| leaf blotch miners |
Phyllonorycter spp. |
6 |
| leaf curl |
Taphrina communis |
3 |
| leaf mold |
Articularia quercina |
2 |
| leaf rolling weevil |
Byctiscus populi |
10 |
| leaf scorches |
|
7 |
| leaf spot |
Marssonia spp. |
1 |
| leaf spot |
Mycosphaerella alocasiae |
1 |
| leaf spot |
Mycosphaerella maculiformis |
3 |
| leaf spot |
Tubakia dryina |
1 |
| leaf-rolling weevil |
Homoeolabus analis |
13 |
| leafcurl ash aphid |
Meliarhizophagus fraxinifolii |
14 |
| leafcurl midges |
Dasineura spp. |
2 |
| leafcurl plum aphid |
Brachycaudus helichrysi |
1 |
| leafhopper |
Typhlocyba albicans |
3 |
| leafhoppers |
|
1 |
| leafminer |
Stigmella atricapitella |
4 |
| leafminer flies |
|
3 |
| leafrollers and olethreutine moths |
|
13 |
| lecanium scales |
Coccus spp. |
3 |
| lemonscented gum |
Eucalyptus citriodora |
4 |
| lenga |
Nothofagus pumilio |
5 |
| Lentinus mushrooms |
Lentinus spp. |
2 |
| leopard moth |
Zeuzera pyrina |
6 |
| lesser peachtree borer |
Synanthedon pictipes |
1 |
| lesser pine shoot beetle |
Tomicus minor |
1 |
| Lesser stag beetle |
Dorcus parallelopipedus |
1 |
| lettuce root aphid |
Pemphigus bursarius |
1 |
| leucaena psyllid |
Heteropsylla cubana |
4 |
| lichen |
|
1 |
| lichen |
Strigula smaragdula |
1 |
| lichen button |
Acleris literana |
1 |
| lightning |
|
22 |
| lilac leafminer |
Gracillaria syringella |
2 |
| lime hawk-moth |
Mimas tiliae |
1 |
| linden gall mite |
Eriophyes tiliae |
14 |
| linden looper |
Erannis tiliaria |
13 |
| lion's mane hericium |
Hericium erinaceus |
4 |
| little black and green willow aphid |
Chaitophorus viminalis |
1 |
| littleleaf linden |
Tilia cordata |
8 |
| live oak |
Quercus virginiana |
43 |
| living-hickory borer |
Goes pulcher |
6 |
| lobelia dagger moth |
Acronicta lobeliae |
3 |
| loblolly bay |
Gordonia lasianthus |
12 |
| locust borer |
Megacyllene robiniae |
10 |
| locust digitate leaf miner |
Parectopa robiniella |
17 |
| locust leafminer |
Odontota dorsalis |
25 |
| locust sawfly |
Nematus tibialis |
10 |
| locust twig borer |
Ecdytolopha insiticiana |
3 |
| lodgepole pine |
Pinus contorta |
1 |
| logging damage |
|
5 |
| Lombardy poplar |
Populus nigra |
7 |
| London planetree |
Platanus hybrida |
6 |
| long-horned beetle |
Eburia porulosa |
1 |
| long-horned beetle |
Eburia spp. |
1 |
| long-horned beetle |
Neoclytus spp. |
4 |
| long-horned beetle |
Plagionotus arcuatus |
1 |
| long-horned beetle |
Plagionotus detritus |
7 |
| long-horned beetle |
Pyrrhidium sanguineum |
1 |
| long-horned beetle |
Saperda scalaris |
17 |
| long-horned beetles |
|
5 |
| lucerene longicorn |
Plagionotus floralis |
1 |
| lucuma |
Pouteria obovata |
1 |
| luna moth |
Actias luna |
3 |
| lunar marbled brown |
Drymonia ruficornis |
2 |
| lychee |
Litchi chinensis |
1 |
| Lyonetiid moth |
|
1 |
| Macrophoma rough bark disease |
Macrophoma tumefaciens |
2 |
| magnolia |
Magnolia dianica |
1 |
| magnolia |
Magnolia spp. |
8 |
| magnolia scale |
Neolecanium cornuparvum |
11 |
| Mahaleb cherry |
Prunus mahaleb |
14 |
| mallow ninebark |
Physocarpus malvaceus |
1 |
| manchineel |
Hippomane mancinella |
1 |
| mangrove |
Rhizophora spp. |
3 |
| mangrove |
Sonneratia spp. |
4 |
| maple |
Acer spp. |
12 |
| maple |
Acer tegmentosum |
2 |
| maple aphid |
Periphyllus aceris |
9 |
| maple bladdergall mite |
Vasates quadripedes |
8 |
| maple button |
Acleris forsskaleana |
2 |
| maple callus borer |
Synanthedon acerni |
1 |
| maple petiole borer |
Caulocampus acericaulis |
1 |
| maple spindlegall mite |
Vasates aceriscrummena |
1 |
| maple trumpet skeletonizer |
Catastega aceriella |
5 |
| maple twig borer |
Proteoteras aesculana |
1 |
| maple webworm |
Pococera asperatella |
1 |
| mapleleaf viburnum |
Viburnum acerifolium |
4 |
| marble gall |
Andricus kollari |
7 |
| Marssonina blight of poplar |
Marssonina populi |
2 |
| Marssonina leaf spot |
Marssonina juglandis |
4 |
| Marssonina leaf spot |
Marssonina salicicola |
3 |
| Marssonina leaf spot |
Marssonina tiliae |
1 |
| Marssonina leaf spot |
Marssonina tremulae |
3 |
| Marssonina leaf spots |
Marssonina spp. |
1 |
| marula tree |
Sclerocarya birrea caffra |
1 |
| masai giraffe |
Giraffa camelopardalis tippelskirchi |
2 |
| Maui hala pepe |
Pleomele auwahiensis |
8 |
| mealy plum aphid |
Hyalopterus pruni |
1 |
| mealybugs |
|
2 |
| mechanical |
|
9 |
| mechanical thinning |
|
1 |
| melaleuca |
Melaleuca macronychia |
3 |
| melaleuca |
Melaleuca quinquenervia |
2 |
| melaleuca |
Melaleuca spp. |
2 |
| Melampsora leaf rust |
Melampsora laricis-populina |
3 |
| Melampsora rust |
Melampsora epitea |
3 |
| Melampsora rusts |
Melampsora spp. |
2 |
| Melia egyptica tree |
Melia egyptica |
1 |
| mesquite |
Prosopis spp. |
1 |
| messmate stringybark |
Eucalyptus obliqua |
2 |
| metalic wood-boring beetle |
Agrilus carpini |
2 |
| metalic wood-boring beetle |
Agrilus cyanescens |
1 |
| metalic wood-boring beetle |
Agrilus obsoletoguttatus |
1 |
| metalic wood-boring beetle |
Agrilus olivicolor |
1 |
| metalic wood-boring beetle |
Agrilus populneus |
4 |
| metalic wood-boring beetle |
Anthaxia quadripunctata |
1 |
| metalic wood-boring beetle |
Coraebus fasciatus |
1 |
| metalic wood-boring beetle |
Epistomentis pictus |
1 |
| metalic wood-boring beetle |
Trachys minutus |
1 |
| metalic wood-boring beetles |
Agrilus quercicola |
2 |
| metalic wood-boring beetles |
Agrilus spp. |
10 |
| metalic wood-boring beetles |
Coraebus florentinus |
3 |
| metalic wood-boring beetles |
Dicerca spp. |
2 |
| Mexican bean beetle |
Epilachna varivestis |
1 |
| Mexican palo-verde |
Parkinsonia aculeata |
5 |
| middle elm tree split bark beetle |
Scolytus laevis |
1 |
| mimosa |
Albizia julibrissin |
12 |
| mimosa webworm |
Homadaula anisocentra |
1 |
| mimosa wilt |
Fusarium oxysporum f.sp. perniciosum |
3 |
| misc. forestry picture |
|
3 |
| mistletoe |
Loranthus europaeus |
8 |
| mistletoe |
Misodendrum linearifolium |
2 |
| mistletoe |
Misodendrum oblongifolium |
3 |
| mistletoe |
Misodendrum punctulatum |
4 |
| mistletoe |
Phrygilanthus sonorae |
3 |
| mistletoe |
Psittacanthus calyculatus |
2 |
| mistletoe |
Tapinanthus globiferus |
2 |
| mistletoe |
Viscum album ssp. album |
15 |
| mistletoes |
Phoradendron spp. |
6 |
| mistletoes |
Tapinanthus spp. |
1 |
| mite |
Phytoptus avellanae |
3 |
| mites |
|
1 |
| mixed species stands |
|
9 |
| miyabe's maple |
Acer miyabei |
5 |
| mockernut hickory |
Carya tomentosa |
21 |
| modest sphinx |
Pachysphinx modesta |
1 |
| moist forest |
|
2 |
| monkeypuzzle tree |
Araucaria araucana |
2 |
| monkeysoap |
Enterolobium cyclocarpum |
4 |
| moose |
Alces alces |
3 |
| mopane |
Colophospermum mopane |
4 |
| mossy maple polypore |
Oxyporus populinus |
1 |
| mossyrose gall wasp |
Diplolepis rosae |
1 |
| mottlecah |
Eucalyptus macrocarpa |
1 |
| mottled umber moth |
Erannis defoliaria |
23 |
| mountain alder |
Alnus viridis ssp. crispa |
4 |
| mountain ash |
Eucalyptus regnans |
7 |
| mountain ash |
Sorbus × balatonica |
1 |
| mountain ash |
Sorbus spp. |
17 |
| mountain ash |
Sorbus umbellata |
5 |
| mountain ash juniper rust |
Gymnosporangium cornutum |
3 |
| mountain dryas |
Dryas octopetala |
1 |
| mountain magnolia |
Magnolia fraseri |
14 |
| mountain maple |
Acer spicatum |
25 |
| mountain silverbell |
Halesia tetraptera |
4 |
| mountain snowberry |
Symphoricarpos oreophilus |
1 |
| mountain-ash sawfly |
Pristiphora geniculata |
5 |
| mourning cloak butterfly |
Nymphalis antiopa |
5 |
| mulberry |
Morus spp. |
2 |
| mulberry leaftier/roller |
Glyphodes sibillalis |
2 |
| mulga |
Acacia aneura |
1 |
| multi-damage (insect/disease) |
|
1 |
| musk beetle |
Aromia moschata |
13 |
| Mycosphaerella leaf spot |
Mycosphaerella microsora |
2 |
| myrtle oak |
Quercus myrtifolia |
12 |
| Nantucket pine tip moth |
Rhyacionia frustrana |
1 |
| narrow-leaf bottletree |
Brachychiton rupestris |
1 |
| narrowleaf cottonwood |
Populus angustifolia |
2 |
| native elm bark beetle |
Hylurgopinus rufipes |
3 |
| Nattrassia fungus |
Nattrassia mangiferae |
2 |
| Nectria canker |
Nectria cinnabarina |
1 |
| Nectria canker |
Nectria galligena |
1 |
| Nectria canker |
Nectria spp. |
27 |
| neem |
Azadirachta indica |
10 |
| Neonectria canker |
Neonectria galligena |
12 |
| Neonectria cankers |
Neonectria spp. |
2 |
| netleaf hackberry |
Celtis laevigata var. reticulata |
5 |
| New Mexico locust |
Robinia neomexicana |
2 |
| Nikko maple |
Acer maximowiczianum |
2 |
| Noctuid moth |
Acronicta lanceolaria |
2 |
| northeastern sawyer |
Monochamus notatus |
1 |
| Northern California walnut |
Juglans hindsii |
3 |
| northern catalpa |
Catalpa speciosa |
7 |
| northern hardwoods |
|
7 |
| northern mountain ash |
Sorbus decora |
7 |
| northern pin oak |
Quercus ellipsoidalis |
8 |
| northern red oak |
Quercus rubra |
77 |
| northern spicebush |
Lindera benzoin |
1 |
| northern tooth |
Climacodon septentrionalis |
8 |
| northern winter moth |
Operophtera fagata |
4 |
| Norway maple |
Acer platanoides |
135 |
| Norway maple aphid |
Periphyllus lyropictus |
2 |
| Notodontid moth |
Pheosia tremula |
2 |
| nuclear polyhedrosis virus |
Nucleopolyhedrovirus |
1 |
| nun moth |
Lymantria monacha |
3 |
| nursery operations |
|
4 |
| nut curculio |
Conotrachelus hicoriae |
1 |
| nut fruit tortix |
Cydia splendana |
4 |
| nut weevil |
Curculio nucum |
1 |
| nutrient deficiency |
|
8 |
| Nuttall oak |
Quercus texana |
9 |
| oak |
Quercus spp. |
20 |
| oak anthracnose |
Apiognomonia errabunda |
27 |
| oak apple gall |
Amphibolips spp. |
5 |
| oak apple gall wasp |
Biorhiza pallida |
11 |
| oak borer |
Agrilus angustulus |
1 |
| oak branch borer |
Goes debilis |
1 |
| oak bullet gall |
Disholcaspis quercusglobulus |
2 |
| oak decline |
|
37 |
| Oak Eggar |
Lasiocampa quercus |
2 |
| oak flea beetle |
Altica quercetorum |
27 |
| oak flea weevil |
Orchestes quercus |
1 |
| oak galls |
|
18 |
| oak lace bug |
Corythucha arcuata |
15 |
| oak leaf blister |
Taphrina caerulescens |
20 |
| oak leafminers |
Cameraria spp. |
2 |
| oak leaftier |
Croesia semipurpurana |
2 |
| oak lecanium |
Parthenolecanium quercifex |
2 |
| oak phylloxera |
Phylloxera quercus |
2 |
| oak phylloxerids |
Phylloxera spp. |
5 |
| oak processionary moth |
Thaumetopoea processionea |
20 |
| oak ribbedcase maker |
Bucculatrix albertiella |
3 |
| oak roller weevil |
Attelabus nitens |
9 |
| oak rough bulletgall wasp |
Disholcaspis quercusmamma |
18 |
| oak sapling borer |
Goes tesselatus |
1 |
| oak sawfly |
Caliroa petiolata |
5 |
| oak shothole leafminer |
Agromyza viridula |
1 |
| oak skeletonizer |
Bucculatrix ainsliella |
7 |
| oak slug sawfly |
Caliroa annulipes |
9 |
| oak spittlebugs |
Clastoptera spp. |
2 |
| oak splendour beetle |
Agrilus biguttatus |
33 |
| oak stem borer |
Aneflomorpha subpubescens |
1 |
| oak tatters |
|
19 |
| oak timberworm |
Arrenodes minutus |
4 |
| oak treehopper |
Platycotis vittata |
2 |
| oak webworm |
Archips fervidana |
2 |
| oak wilt |
Ceratocystis fagacearum |
151 |
| oak-hickory |
|
14 |
| oakleaf hydrangea |
Hydrangea quercifolia |
2 |
| obliquebanded leafroller |
Choristoneura rosaceana |
1 |
| obscure scale |
Melanaspis obscura |
2 |
| ocellate gall midge |
Acericecis ocellaris |
17 |
| Ogeechee tupelo |
Nyssa ogeche |
13 |
| Oglethorpe oak |
Quercus oglethorpensis |
10 |
| Ohia decline |
|
2 |
| Ohio buckeye |
Aesculus glabra |
18 |
| Ohio buckeye |
Aesculus glabra var. arguta |
2 |
| olive scale |
Parlatoria oleae |
1 |
| orange hobnail canker |
Cryphonectria gyrosa |
3 |
| orangestriped oakworm |
Anisota senatoria |
12 |
| orchard ermine |
Yponomeuta padella |
1 |
| oriental beech |
Fagus orientalis |
1 |
| Oriental hornbeam |
Carpinus orientalis |
10 |
| Oriental scale |
Aonidiella orientalis |
3 |
| osage-orange |
Maclura pomifera |
32 |
| osier |
Salix viminalis |
8 |
| overcup oak |
Quercus lyrata |
47 |
| oyster mushroom |
Pleurotus ostreatus |
7 |
| oyster mushroom |
Pleurotus spp. |
1 |
| oystershell scale |
Lepidosaphes ulmi |
5 |
| ozone |
|
5 |
| Pachira |
Pachira quinata |
2 |
| Pachybrachus leaf beetle |
Pachybrachis scriptidorsum |
1 |
| Pacific dogwood |
Cornus nuttallii |
3 |
| Pacific flatheaded borer |
Chrysobothris mali |
2 |
| Pacific madrone |
Arbutus menziesii |
6 |
| Pacific mistletoe |
Phoradendron villosum |
4 |
| Pacific tent caterpillar |
Malacosoma constrictum |
1 |
| painted buckeye |
Aesculus sylvatica |
4 |
| painted hickory borer |
Megacyllene caryae |
1 |
| pale tussock moth |
Calliteara pudibunda |
42 |
| pale twist |
Clepsis rurinana |
1 |
| Pan de indio |
Cyttaria darwinii |
2 |
| pandora moth |
Coloradia pandora |
1 |
| paper birch |
Betula papyrifera |
37 |
| paper-mulberry |
Broussonetia papyrifera |
29 |
| paraquat |
|
1 |
| parsley hawthorn |
Crataegus marshallii |
4 |
| pasture hawthorn |
Crataegus spathulata |
1 |
| paulownia |
Paulownia elongata |
1 |
| paved roads and streets |
|
1 |
| pawpaw |
Asimina triloba |
17 |
| peach bark beetle |
Phloeotribus liminaris |
4 |
| peacocksplume |
Falcataria moluccana |
1 |
| pear sawfly |
Caliroa cerasi |
2 |
| pear thrips |
Taeniothrips inconsequens |
1 |
| pearl wattle |
Acacia podalyriifolia |
1 |
| pecan |
Carya illinoinensis |
24 |
| pecan bud moth |
Gretchena bolliana |
1 |
| pecan carpenterworm |
Cossula magnifica |
2 |
| pecan catocala |
Catocala spp. |
2 |
| pecan cigar casebearer |
Coleophora laticornella |
1 |
| pecan leaf casebearer |
Acrobasis juglandis |
11 |
| pecan leaf phylloxera |
Phylloxera notabilis |
3 |
| pecan leaf roll mite |
Aceria caryae |
1 |
| pecan nut casebearer |
Acrobasis nuxvorella |
7 |
| pecan scab |
Cladosporium caryigenum |
5 |
| pecan serpentine leafminer |
Stigmella judlandifoliella |
3 |
| pecan spittlebug |
Clastoptera achatina |
3 |
| pecan weevil |
Curculio caryae |
17 |
| Peniophora decay |
Peniophora incarnata |
2 |
| peppered moth |
Biston betularia |
1 |
| Perenniporia decay |
Perenniporia subacida |
1 |
| Perenniporia fraxinea |
Perenniporia fraxinea |
2 |
| periodical cicada |
Magicicada septendecim |
19 |
| periodical cicada |
Magicicada spp. |
16 |
| persimmon agrilus |
Agrilus fuscipennis |
1 |
| Peruvian peppertree |
Schinus molle |
3 |
| pesticides |
|
10 |
| Pezicula fungus |
Pezicula cinnamomea |
1 |
| Phalera moths |
Phalera spp. |
1 |
| Phellinus fungus |
Phellinus ferruginosus |
7 |
| Phellinus fungus |
Phellinus gilvus |
1 |
| Phellinus heartrots |
Phellinus spp. |
2 |
| Phomopsis cankers and twig blights |
Phomopsis spp. |
5 |
| Phyllosticta leaf spots |
Phyllosticta spp. |
1 |
| phylloxera |
Phylloxera popularia |
1 |
| Phytophthora basal canker |
Phytophthora palmivora |
5 |
| Phytophthora disease of alders |
Phytophthora alni |
14 |
| Phytophthora kernoviae |
Phytophthora kernoviae |
9 |
| Phytophthora root and crown rot |
Phytophthora cambivora |
12 |
| Phytophthora root and crown rots |
Phytophthora spp. |
1 |
| Phytophthora root rot |
Phytophthora alni ssp. multiformis |
3 |
| Phytophthora root rot |
Phytophthora cactorum |
4 |
| Phytophthora root rot |
Phytophthora cinnamomi |
5 |
| pigeon tremex |
Tremex columba |
8 |
| pignut hickory |
Carya glabra |
21 |
| pileated woodpecker |
Dryocopus pileatus |
1 |
| pilose checkered beetle |
Chariessa pilosa |
1 |
| pin cherry |
Prunus pensylvanica |
12 |
| pin oak |
Quercus palustris |
26 |
| pin oak kermes |
Allokermes galliformis |
4 |
| pin oak sawfly |
Caliroa liturata |
1 |
| pine looper moth |
Bupalus piniaria |
1 |
| pineapple gall midges |
Rabdophaga spp. |
1 |
| pineapple mealybug |
Dysmicoccus brevipes |
6 |
| pinhole borer |
Platypus cylindrus |
4 |
| pinhole borer |
Platypus spp. |
3 |
| pinkstriped oakworm |
Anisota virginiensis |
5 |
| plains cottonwood |
Populus deltoides ssp. monilifera |
4 |
| plant louse |
Psyllopsis fraxini |
14 |
| planting |
|
14 |
| plantlouse |
Psylla alni |
1 |
| Pleuroceras fungus |
Pleuroceras pseudoplatani |
1 |
| Pleurotus fungus |
Pleurotus pulmonarius |
2 |
| plum tortrix |
Hedya pruniana |
2 |
| plum/cherry |
Prunus spp. |
1 |
| Plutellid moth |
Ypsolopha alpella |
1 |
| polyphagous leaf roller |
Argyrotaenia ljungiana |
1 |
| polyphemus moth |
Antheraea polyphemus |
12 |
| polypore |
Globifomes graveolens |
1 |
| polypore fungus |
Polyporus alveolaris |
7 |
| polypore fungus |
Polyporus arcularius |
2 |
| polypore fungus |
Polyporus badius |
2 |
| pondberry |
Lindera melissifolia |
5 |
| poor architecture |
|
7 |
| poplar blackmine beetle |
Zeugophora scutellaris |
2 |
| poplar borer |
Saperda calcarata |
15 |
| poplar borer |
Saperda carcharias |
5 |
| poplar branch borer |
Oberea schaumii |
1 |
| poplar budgall mite |
Eriophyes parapopuli |
1 |
| poplar gall borer |
Saperda inornata |
5 |
| poplar hawk-moth |
Laothoe populi |
1 |
| poplar leaf aphid |
Chaitophorus populicola |
2 |
| poplar leaf beetle |
Chrysomela populi |
7 |
| poplar leaf beetle |
Chrysomela tremulae |
1 |
| poplar leafcurl midge |
Prodiplosis morrisi |
1 |
| poplar leaffolding sawfly |
Phyllocolpa bozemani |
3 |
| poplar petiolegall aphid |
Pemphigus populitransversus |
4 |
| poplar rust |
Melampsora medusae |
4 |
| poplar tentmaker |
Clostera inclusa |
5 |
| Poplar tip moth |
Clostera anastomosis |
6 |
| poplar twig borer |
Oberea delongi |
2 |
| poplar twig gall aphid |
Pemphigus populiramulorum |
1 |
| poplar twiggall fly |
Hexomyza schineri |
24 |
| poplar vagabond aphid |
Mordvilkoja vagabunda |
4 |
| poplar-and-willow borer |
Cryptorhynchus lapathi |
10 |
| porcupine |
Erethizon dorsatum |
1 |
| possumhaw |
Ilex decidua |
1 |
| post oak |
Quercus stellata |
36 |
| post oak grasshopper |
Dendrotettix quercus |
2 |
| post planting protection |
|
1 |
| potato leafhopper |
Empoasca fabae |
1 |
| powdered sunshine lichen |
Vulpicida pinastri |
2 |
| powdery mildew |
Erysiphe flexuosa |
2 |
| powdery mildew |
Erysiphe palczewskii |
2 |
| powdery mildew |
Microsphaera abbreviata |
1 |
| powdery mildew |
Microsphaera penicillata |
3 |
| powdery mildew |
Phyllactinia fraxini |
2 |
| powdery mildew |
Phyllactinia guttata |
4 |
| powdery mildew |
Phyllactinia mali |
1 |
| powdery mildew |
Sawadaea tulasnei |
1 |
| powdery mildew of oak |
Microsphaera alphitoides |
21 |
| powdery mildews |
|
2 |
| predatory stink bug |
Podisus placidus |
1 |
| prickly-ash |
Zanthoxylum americanum |
5 |
| princesstree |
Paulownia tomentosa |
18 |
| prominent caterpillar |
Heterocampa spp. |
1 |
| prominent caterpillar |
Lochmaeus spp. |
1 |
| prominent moths |
Schizura spp. |
3 |
| pruning (general) |
|
25 |
| Psylla |
Psylla spp. |
1 |
| psyllids |
|
2 |
| pterocarpus |
Pterocarpus indicus |
1 |
| purple erineum maple mite |
Eriophyes calcercis |
2 |
| purple hairstreak |
Quercusia quercus |
1 |
| purpleblow maple |
Acer truncatum |
3 |
| purpleosier willow |
Salix purpurea |
3 |
| purplerocket |
Iodanthus pinnatifidus |
1 |
| pussy willow |
Salix discolor |
1 |
| Pyralid moth |
Acrobasis consociella |
23 |
| Pyralid moth |
Acrobasis repandana |
6 |
| Pyralid moth |
Acrobasis tumidana |
3 |
| pyramid magnolia |
Magnolia pyramidata |
3 |
| quaking aspen |
Populus tremuloides |
127 |
| question mark |
Polygonia interrogationis |
1 |
| quince |
Cydonia oblonga |
1 |
| quince rust |
Gymnosporangium clavipes |
3 |
| quinine |
Cinchona pubescens |
1 |
| rain tree |
Lonchocarpus capassa |
1 |
| raintree |
Samanea saman |
7 |
| rambutan |
Nephelium lappaceum |
2 |
| raspberry cane borer |
Oberea perspicillata |
1 |
| rat, vole, mouse |
|
2 |
| red alder |
Alnus rubra |
3 |
| red bloodwood |
Eucalyptus gummifera |
1 |
| red buckeye |
Aesculus pavia |
43 |
| red chokeberry |
Photinia pyrifolia |
2 |
| red elderberry |
Sambucus racemosa |
1 |
| Red gum lerp |
Glycaspis brimblecombei |
2 |
| red horsechestnut |
Aesculus x carnea |
6 |
| red ironbark |
Eucalyptus sideroxylon |
3 |
| red mangrove |
Rhizophora mangle |
2 |
| red maple |
Acer rubrum |
97 |
| red mulberry |
Morus rubra |
30 |
| red oak borer |
Enaphalodes rufulus |
58 |
| red oak clearwing borer |
Paranthrene simulans |
1 |
| red pine |
Pinus resinosa |
1 |
| red polypore |
Pycnoporus cinnabarinus |
4 |
| red roller |
Ancylis mitterbacheriana |
3 |
| red tingle |
Eucalyptus jacksonii |
2 |
| red-belted fungus |
Fomitopsis pinicola |
12 |
| red-cap gum |
Eucalyptus erythrocorys |
2 |
| red-humped caterpillar moth |
Schizura concinna |
4 |
| red-humped oakworm moth |
Symmerista canicosta |
7 |
| redbanded thrips |
Selenothrips rubrocinctus |
3 |
| redbay |
Persea borbonia |
25 |
| redbay ambrosia beetle |
Xyleborus glabratus |
13 |
| redbud |
Cercis spp. |
1 |
| redbud leaffolder |
Fascista cercerisella |
4 |
| redclaws |
Escallonia rubra |
2 |
| reddish brown poplar aphid |
Pterocomma populifoliae |
2 |
| redflower gum |
Eucalyptus ficifolia |
8 |
| redgum |
Eucalyptus calophylla |
3 |
| redheaded ash borer |
Neoclytus acuminatus |
10 |
| redosier dogwood |
Cornus sericea |
12 |
| redwood |
Sequoia sempervirens |
3 |
| regl piercer |
Pammene regiana |
2 |
| remote sensing |
|
1 |
| resin birch |
Betula glandulosa |
8 |
| Rhodotus fungus |
Rhodotus palmatus |
1 |
| rhomboid tortrix |
Acleris rhombana |
1 |
| Rimosus decay |
Phellinus robiniae |
6 |
| ripped pruning cuts |
|
2 |
| risk tree |
|
5 |
| river birch |
Betula nigra |
36 |
| river peppermint |
Eucalyptus elata |
1 |
| river redgum |
Eucalyptus camaldulensis |
4 |
| Road salt or de-icing salt |
|
2 |
| roble beech |
Nothofagus obliqua |
13 |
| robustus conk |
Phellinus robustus |
11 |
| rock elm |
Ulmus thomasii |
14 |
| rockspirea |
Holodiscus dumosus |
7 |
| Rocky Mountain maple |
Acer glabrum |
2 |
| rodents |
|
1 |
| root diseases and rots |
|
1 |
| root lifting, soil heaving, and windthrow |
|
3 |
| root rot |
Phellinus hartigii |
1 |
| rooted/unrooted cuttings |
|
1 |
| Rosalia longicorn |
Rosalia alpina |
1 |
| rose gum |
Angophora costata |
12 |
| rose Tortrix moth |
Archips rosana |
5 |
| rosebay rhododendron |
Rhododendron maximum |
1 |
| Rosellinia fungus |
Rosellinia quercina |
18 |
| roughleaf dogwood |
Cornus drummondii |
3 |
| row thinning |
|
1 |
| royal star magnolia |
Magnolia stellata |
1 |
| rubber tree |
Hevea brasiliensis |
1 |
| running oak |
Quercus pumila |
5 |
| Russian-olive |
Elaeagnus angustifolia |
9 |
| rusts |
|
2 |
| rusty gilled polypore |
Gloeophyllum sepiarium |
2 |
| rusty oak button |
Acleris ferrugana |
3 |
| saddleback caterpillar |
Acharia stimulea |
4 |
| sallow button |
Acleris hastiana |
1 |
| sallow marble |
Apotomis capreana |
1 |
| saltmarsh caterpillar |
Estigmene acrea |
2 |
| sand hickory |
Carya pallida |
17 |
| sand post oak |
Quercus margarettae |
11 |
| sandbar willow |
Salix interior |
2 |
| sandbox tree |
Hura crepitans |
1 |
| sapstreak disease of sugar maple |
Ceratocystis coerulescens |
5 |
| sapsucker injury |
|
1 |
| sassafras |
Sassafras albidum |
34 |
| satinay |
Syncarpia hillii |
1 |
| satinleaf |
Chrysophyllum oliviforme |
1 |
| saucer magnolia |
Magnolia x soulangiana |
12 |
| sausage tree |
Kigelia africana |
3 |
| saw banksia |
Banksia serrata |
1 |
| sawflies |
Caliroa spp. |
3 |
| sawflies |
|
1 |
| sawfly |
Apethymus serotinus |
1 |
| sawfly |
Aproceros leucopoda |
6 |
| sawfly |
Caliroa cinxia |
3 |
| sawfly |
Cerospastus volupis |
2 |
| sawfly |
Cimbex fagi |
1 |
| sawfly |
Craesus septentrionalis |
2 |
| sawfly |
Megaxyela major |
1 |
| sawfly |
Parna apicalis |
1 |
| sawfly |
Pontania dolichura |
1 |
| sawfly |
Pontania vesicator |
1 |
| sawmill |
|
1 |
| sawtooth oak |
Quercus acutissima |
21 |
| sawyer beetles |
Monochamus spp. |
1 |
| scaly pholiota |
Pholiota squarrosa |
4 |
| scarab beetles |
Melolontha spp. |
2 |
| scarabs or scarab beetles |
|
1 |
| scarce swallowtail |
Iphiclides podalirius |
1 |
| scarlet banksia |
Banksia coccinea |
1 |
| scarlet bottlebrush |
Callistemon rugulosus |
3 |
| scarlet oak |
Quercus coccinea |
23 |
| scarlet oak sawfly |
Caliroa quercuscoccineae |
5 |
| Schweinitzii root and butt disease |
Phaeolus schweinitzii |
2 |
| scribbly gum |
Eucalyptus rossii |
1 |
| scrub hickory |
Carya floridana |
3 |
| scrub live oak |
Quercus geminata |
21 |
| scurfy scale |
Chionaspis furfura |
1 |
| sea buckthorn |
Hippophae rhamnoides |
1 |
| seagrape sawfly |
Sericoceros mexicanus |
10 |
| seed bugs |
Oxycarenus lavaterae |
6 |
| selection thinning |
|
1 |
| Septoria leaf spot |
Septoria cornicola |
1 |
| Septoria leaf spot and canker |
Septoria musiva |
4 |
| Septoria leaf spot and canker |
Septoria populicola |
1 |
| Septoria leaf spot and cankers |
Septoria spp. |
2 |
| serviceberry |
Amelanchier alnifolia |
17 |
| serviceberry |
Amelanchier arborea |
16 |
| servicetree |
Sorbus domestica |
47 |
| sessile oak |
Quercus petraea |
34 |
| shagbark hickory |
Carya ovata |
25 |
| shamel ash |
Fraxinus uhdei |
17 |
| shear crack |
|
3 |
| sheep |
Ovis aries |
3 |
| shellbark hickory |
Carya laciniosa |
18 |
| shelterwood |
|
5 |
| shepherd's crook leaf and shoot blight |
Venturia populina |
2 |
| shepherd's crook leaf and shoot blight |
Venturia tremulae |
3 |
| shingle oak |
Quercus imbricaria |
9 |
| short-horned leaf beetle |
Coleothorpa vittigera |
1 |
| shortfruit willow |
Salix brachycarpa |
4 |
| showy banksia |
Banksia speciosa |
1 |
| Shumard oak |
Quercus shumardii |
5 |
| Siberian elm |
Ulmus pumila |
10 |
| Siberian moth |
Dendrolimus sibiricus |
1 |
| silkoak |
Grevillea robusta |
8 |
| silky camellia |
Stewartia malacodendron |
5 |
| silver banksia |
Banksia marginata |
2 |
| silver linden |
Tilia tomentosa |
2 |
| silver maple |
Acer saccharinum |
40 |
| silverleaf |
Chondrostereum purpureum |
1 |
| Simon poplar |
Populus simonii |
2 |
| singleleaf ash |
Fraxinus anomala |
2 |
| Sitka alder |
Alnus viridis sinuata |
2 |
| skidding |
|
2 |
| skunkbush sumac |
Rhus trilobata |
3 |
| slashing and bucking |
|
1 |
| slimleaf pawpaw |
Asimina angustifolia |
7 |
| slippery elm |
Ulmus rubra |
7 |
| small ballmoss |
Tillandsia recurvata |
1 |
| small poplar borer |
Saperda populnea |
4 |
| small-leaf arrowwood |
Viburnum obovatum |
5 |
| smaller European elm bark beetle |
Scolytus multistriatus |
32 |
| smallflower pawpaw |
Asimina parviflora |
3 |
| smooth hawthorn |
Crataegus laevigata |
15 |
| smooth patch of oak |
Aleurodiscus oakesii |
12 |
| smooth sumac |
Rhus glabra |
9 |
| snout beetles or weevils |
|
3 |
| snow and ice damage (snow load) |
|
42 |
| snow gum |
Eucalyptus pauciflora |
1 |
| snow pear |
Pyrus x nivalis |
4 |
| soft scale |
Parthenolecanium rufulum |
2 |
| soft scales |
|
2 |
| soft scales |
Parthenolecanium spp. |
1 |
| soft scales |
Toumeyella spp. |
1 |
| soil compaction |
|
1 |
| solider beetle |
Cantharis fusca |
1 |
| solitary maple leaf gall mite |
Aceria macrochela |
1 |
| solitary oak leafminer |
Cameraria hamadryadella |
1 |
| sooty bark |
Cenangium populinum |
1 |
| sooty beech scale |
Ultracoelostoma assimile |
2 |
| sooty mold |
|
1 |
| sooty-bark canker |
Encoelia pruinosa |
3 |
| sourwood |
Oxydendrum arboreum |
34 |
| south african cossid moth |
Coryphodema tristis |
6 |
| southeastern gray twig pruner |
Anelaphus villosus |
2 |
| southern catalpa |
Catalpa bignonioides |
33 |
| southern magnolia |
Magnolia grandiflora |
43 |
| southern mahogany |
Eucalyptus botryoides |
6 |
| southern pine beetle |
Dendroctonus frontalis |
4 |
| southern pine sawyer |
Monochamus titillator |
1 |
| southern plains banksia |
Banksia media |
1 |
| southern red oak |
Quercus falcata |
25 |
| southern sugar maple |
Acer barbatum |
7 |
| southern waxmyrtle |
Morella cerifera |
20 |
| southwestern tent caterpillar |
Malacosoma incurvum |
7 |
| Spanish moss |
Tillandsia usneoides |
2 |
| sparkleberry |
Vaccinium arboreum |
8 |
| spear-marked black moth |
Rheumaptera hastata |
1 |
| speckled alder |
Alnus incana ssp. rugosa |
11 |
| sphinx or hawk moths |
|
1 |
| Spiculosa canker |
Phellinus spiculosa |
1 |
| spindle tree rust mite |
Cecidophyes psilonotus |
3 |
| spindletree |
Euonymus verrucosus |
1 |
| spiny ash sawfly |
Eupareophora parca |
4 |
| spiny caterpillar |
Ormiscodes cinnamomea |
2 |
| spiny fiddlewood |
Citharexylum spinosum |
1 |
| spiny looper |
Phigalia titea |
6 |
| spiny oak slug |
Euclea delphinii |
2 |
| spittlebug |
Aphrophora salicina |
22 |
| spotted gum |
Eucalyptus maculata |
3 |
| spotworm borer |
Agrilus acutipennis |
2 |
| sprawler |
Asteroscopus sphinx |
1 |
| spring oak leafroller |
Chionodes formosella |
1 |
| squirrel |
Sciurus spp. |
5 |
| St. John's bread |
Ceratonia siliqua |
1 |
| Stag beetle |
Lucanus cervus |
8 |
| stag beetle |
Lucanus mazama |
1 |
| staghorn sumac |
Rhus typhina |
6 |
| stalk borer |
Papaipema nebris |
1 |
| stem decay of black walnut |
Phellinus weirianus |
1 |
| stem girdling roots |
|
4 |
| Stereum fungus |
Stereum rugosum |
2 |
| Stereum fungus |
Stereum subtomentosum |
1 |
| stiff bottlebrush |
Callistemon rigidus |
1 |
| Stigmina fungus |
Wilsonomyces carpophilus |
1 |
| strap coral |
Clavariadelphus ligula |
1 |
| striped alder sawfly |
Hemichroa crocea |
1 |
| striped maple |
Acer pensylvanicum |
37 |
| striped mealybug |
Ferrisia virgata |
1 |
| Strumella canker |
Strumella coryneoidea |
1 |
| Strumella canker |
Urnula craterium |
11 |
| stubs |
|
1 |
| sudden aspen decline |
|
3 |
| sudden oak death |
Phytophthora ramorum |
143 |
| sugar apple |
Annona squamosa |
3 |
| sugar maple |
Acer saccharum |
39 |
| sugar maple borer |
Glycobius speciosus |
7 |
| sugarberry |
Celtis laevigata |
13 |
| sulfur shelf |
Laetiporus sulphureus |
48 |
| summer fruit tortrix moth |
Adoxophyes orana |
1 |
| sunscald |
|
14 |
| swamp banksia |
Banksia robur |
1 |
| swamp bay |
Persea palustris |
17 |
| swamp chestnut oak |
Quercus michauxii |
70 |
| swamp cottonwood |
Populus heterophylla |
8 |
| swamp titi |
Cyrilla racemiflora |
8 |
| swamp tupelo |
Nyssa biflora |
5 |
| swamp white oak |
Quercus bicolor |
19 |
| sweet bay |
Laurus nobilis |
2 |
| sweet cherry |
Prunus avium |
27 |
| sweet mock orange |
Philadelphus coronarius |
1 |
| sweet-gale button |
Acleris rufana |
1 |
| sweetbay |
Magnolia virginiana |
36 |
| sweetgum |
Liquidambar spp. |
1 |
| sweetgum |
Liquidambar styraciflua |
55 |
| sweetgum defoliator |
Paectes abrostoloides |
3 |
| sycamore anthracnose |
Apiognomonia veneta |
11 |
| sycamore dieback |
|
2 |
| sycamore fig |
Ficus sycomorus |
1 |
| sycamore lace bug |
Corythucha ciliata |
14 |
| sycamore leaf beetle |
Neochlamisus platani |
2 |
| sycamore leaf blotch miner |
Ectoedemia platanella |
2 |
| sycamore leaf-folder moth |
Ancylis platanana |
1 |
| Sycamore maple |
Acer pseudoplatanus |
29 |
| sycamore tussock moth |
Halysidota harrisii |
2 |
| taique |
Desfontainia spinosa |
1 |
| tanoak |
Lithocarpus densiflorus |
3 |
| Taphrina flower fungus |
Taphrina johansonii |
1 |
| tar spot |
Rhytisma americanum |
2 |
| tar spot |
Rhytisma punctatum |
1 |
| tar spot of maple |
Rhytisma acerinum |
10 |
| tar spots |
Rhytisma spp. |
1 |
| Tasmanian bluegum |
Eucalyptus globulus |
13 |
| Tasmanian bluegum |
Eucalyptus globulus ssp. globulus |
1 |
| tatarian maple |
Acer tataricum |
29 |
| tent caterpillar |
Eriogaster catax |
4 |
| tent caterpillar |
Eriogaster lanestris |
25 |
| termites |
|
1 |
| Texas leafcutting ant |
Atta texana |
1 |
| Texas live oak |
Quercus fusiformis |
1 |
| thick-walled maze polypore |
Daedalea quercina |
14 |
| thin-walled maze polypore |
Daedaleopsis confragosa |
13 |
| thinning (stand) |
|
1 |
| Thousand Cankers Disease |
Geosmithia morbida |
42 |
| three-flower maple |
Acer triflorum |
4 |
| tietongue |
Coccoloba diversifolia |
2 |
| tiger moth |
Haploa clymene |
4 |
| timothy tortrix |
Aphelia paleana |
1 |
| tinder fungus |
Fomes fomentarius |
30 |
| Tischerid moth |
Tischeria ekebladella |
2 |
| Tomentosus root disease |
Onnia tomentosus |
1 |
| Torticid moth |
Choristoneura hebenstreitella |
6 |
| tortoise beetle |
Cassida vibex |
1 |
| Tortricid moth |
Acleris kochiella |
2 |
| Tortricid moth |
Aleimma loeflingiana |
2 |
| Tortricid moth |
Ancylis upupana |
2 |
| Tortricid moth |
Cydia amplana |
2 |
| Tortricid moth |
Cydia fagiglandana |
5 |
| Tortricid moth |
Cydia inquinatana |
1 |
| Tortricid moth |
Doloploca punctulana |
1 |
| Tortricid moth |
Epiblema similana |
1 |
| Tortricid moth |
Epinotia festivana |
2 |
| Tortricid moth |
Gibberifera simplana |
1 |
| Tortricid moth |
Gypsonoma oppressana |
1 |
| Tortricid moth |
Isotrias hybridana |
1 |
| Tortricid moth |
Neosphaleroptera nubilana |
2 |
| Tortricid moth |
Notocelia cynosbatella |
1 |
| Tortricid moth |
Notocelia roborana |
1 |
| Tortricid moth |
Pammene querceti |
1 |
| Tortricid moth |
Paramesia gnomana |
1 |
| Tortricid moth |
Phtheochroa schreibersiana |
1 |
| Tortricid moth |
Pseudargyrotoza conwagana |
1 |
| Tortricid moth |
Pseudosciaphila branderiana |
1 |
| Tortricid moth |
Syndemis musculana |
1 |
| Tortricid moth |
Tortricodes alternella |
2 |
| tracheomycosis |
|
2 |
| Trametes wood decay |
Trametes gibbosa |
9 |
| Trametes wood decay |
Trametes hirsuta |
6 |
| tree anatomy |
|
5 |
| tree-of-heaven |
Ailanthus altissima |
65 |
| treehopper |
Micrutalus calva |
1 |
| triangle-marked roller |
Ancylis achatana |
1 |
| triclopyr |
|
3 |
| trident maple |
Acer buergerianum |
7 |
| trifoliate orange |
Poncirus trifoliata |
1 |
| tropical almond |
Terminalia catappa |
5 |
| truncated true katydid |
Paracyrtophyllus robustus |
1 |
| trunk rot |
Peniophora rufa |
1 |
| trunk rot |
Pholiota adiposa |
4 |
| trunk rot |
Pholiota populnea |
6 |
| trunk rot |
Ustulina deusta |
11 |
| tuart |
Eucalyptus gomphocephala |
4 |
| tufted button |
Acleris cristana |
1 |
| tulip-tree beauty |
Epimecis hortaria |
1 |
| tuliptree |
Liriodendron spp. |
2 |
| tuliptree leaf spot gall midge |
Resseliella liriodendri |
1 |
| tuliptree scale |
Toumeyella liriodendri |
8 |
| tungoil tree |
Vernicia fordii |
2 |
| tupelo borer |
Aegomorphus morrisii |
2 |
| turbinella oak |
Quercus turbinella |
5 |
| turkey oak |
Quercus laevis |
30 |
| turkey tail |
Trametes versicolor |
23 |
| Turkish hazelnut |
Corylus colurna |
2 |
| twicestabbed lady beetle |
Chilocorus stigma |
1 |
| twig girdler |
Oncideres cingulata |
10 |
| twig girdler |
Oncideres dejeanii |
2 |
| two-tailed tiger swallowtail |
Papilio multicaudata |
4 |
| two-wing silverbell |
Halesia diptera |
1 |
| twolined chestnut borer |
Agrilus bilineatus |
18 |
| twospotted spider mite |
Tetranychus urticae |
1 |
| uglynest caterpillar |
Archips cerasivorana |
4 |
| umbrella magnolia |
Magnolia tripetala |
28 |
| umbrella thorn |
Acacia tortilis |
1 |
| undermined root system |
|
1 |
| unknown |
|
7 |
| unknown fungi |
|
1 |
| unpaved roads and trails |
|
2 |
| upland hardwood stand |
|
3 |
| upright pellitory |
Parietaria officinalis |
1 |
| variable oakleaf caterpillar |
Lochmaeus manteo |
14 |
| veiled oyster |
Pleurotus dryinus |
2 |
| veiled polypore |
Cryptoporus volvatus |
1 |
| vein pocket gall |
Macrodiplosis erubescens |
2 |
| velvet foot |
Flammulina velutipes |
5 |
| Venturia leaf scabs and blights |
Venturia spp. |
1 |
| Verticillium wilts |
Verticillium spp. |
3 |
| viburnum borer |
Synanthedon viburni |
7 |
| viburnum leaf beetle |
Pyrrhalta viburni |
2 |
| viceroy |
Limenitis archippus |
4 |
| vine borer |
Sinoxylon perforans |
1 |
| vine maple |
Acer circinatum |
3 |
| vinegartree |
Lophostemon confertus |
7 |
| violet-pored bracket fungus |
Trichaptum abietinum |
13 |
| Violet-toothed Polypore |
Trichaptum biforme |
1 |
| walkingstick |
Diapheromera femorata |
4 |
| walnut anthracnose |
Gnomonia leptostyla |
4 |
| walnut caterpillar |
Datana integerrima |
27 |
| walnut husk fly |
Rhagoletis completa |
3 |
| walnut shoot moth |
Acrobasis demotella |
5 |
| walnut twig beetle |
Pityophthorus juglandis |
37 |
| water birch |
Betula fontinalis |
1 |
| water birch |
Betula occidentalis |
3 |
| water hickory |
Carya aquatica |
19 |
| water locust |
Gleditsia aquatica |
5 |
| water oak |
Quercus nigra |
25 |
| water tupelo |
Nyssa aquatica |
15 |
| wax scale |
Parthenolecanium pruinosum |
1 |
| web-spinning pine-sawfly |
Pamphilius aurantiacus |
3 |
| web-spinning pine-sawfly |
Pamphilius phyllisae |
2 |
| webworm |
Pococera spp. |
7 |
| weeping conk |
Inonotus dryadeus |
8 |
| weeping fig |
Ficus benjamina |
1 |
| weeping willow |
Salix babylonica |
3 |
| weevil |
Curculio proboscideus |
1 |
| weevils |
Phyllobius spp. |
1 |
| Wellenbindige oak splendour beetle |
Coraebus undatus |
1 |
| western erineum mite |
Phyllocoptes didelphis |
1 |
| western poplar clearwing |
Paranthrene robiniae |
2 |
| western redbud |
Cercis canadensis var. texensis |
16 |
| western soapberry |
Sapindus saponaria var. drummondii |
6 |
| western tent caterpillar |
Malacosoma californicum |
52 |
| wet rot |
Coniophora puteana |
3 |
| wetwood |
|
1 |
| wheat stem rust |
Puccinia graminis |
1 |
| wheel bug |
Arilus cristatus |
1 |
| white ash |
Fraxinus americana |
22 |
| white flannel moth |
Norape ovina |
1 |
| white heartwood rot |
Phellinus tremulae |
15 |
| white leadtree |
Leucaena leucocephala |
2 |
| white manjack |
Cordia dentata |
1 |
| white mulberry |
Morus alba |
13 |
| white muscadine disease |
Beauveria bassiana |
1 |
| white oak |
Quercus alba |
52 |
| white oak borer |
Goes tigrinus |
2 |
| white peach scale |
Pseudaulacaspis pentagona |
1 |
| white planthopper |
Metcalfa pruinosa |
3 |
| white poplar |
Populus alba |
28 |
| white rot |
Inonotus glomeratus |
1 |
| white satin moth |
Leucoma salicis |
9 |
| white stringybark |
Eucalyptus globoidea |
2 |
| white willow |
Salix alba |
38 |
| white-backed marble |
Hedya salicella |
1 |
| white-headed prominent |
Symmerista albifrons |
2 |
| white-tailed deer |
Odocoileus virginianus |
1 |
| whitebox |
Eucalyptus albens |
1 |
| whitefringed beetles |
Naupactus spp. |
1 |
| whitemarked tussock moth |
Orgyia leucostigma |
6 |
| wild coffee |
Psychotria peteri |
1 |
| wild coffee |
Psychotria spp. |
2 |
| wild hydrangea |
Hydrangea arborescens |
1 |
| wild pear |
Pyrus pyraster |
11 |
| wili wili |
Erythrina sandwicensis |
1 |
| willow |
Salix rosmarinifolia |
1 |
| willow |
Salix spp. |
6 |
| willow leaf beetle |
Chrysomela vigintipunctata |
21 |
| willow leaf beetle |
Lochmaea capreae |
6 |
| willow leaf gall mite |
Aculus tetanothrix |
2 |
| willow oak |
Quercus phellos |
7 |
| willow redgall sawfly |
Pontania promixa |
2 |
| willow rust |
Melampsora salicina |
3 |
| willow sawfly |
Nematus oligospilus |
10 |
| willow sawfly |
Nematus ventralis |
2 |
| willow scab |
Venturia saliciperda |
1 |
| willow scale |
Chionaspis salicis |
6 |
| willow scale |
Diaspidiotus gigas |
5 |
| willow shoot sawfly |
Janus abbreviatus |
2 |
| wind |
|
8 |
| winged elm |
Ulmus alata |
53 |
| winter moth |
Operophtera brumata |
69 |
| winter moths |
Operophtera spp. |
5 |
| witch-hazel |
Hamamelis virginiana |
17 |
| witches broom rust |
Gymnosporangium nelsonii |
2 |
| witches' broom |
|
4 |
| wood borer of coigue |
Holopterus chilensis |
1 |
| wood decay |
Merulius tremellosus |
2 |
| wood decay |
|
1 |
| wood decay |
Phlebia radiata |
3 |
| wood decay |
Pholiota albocrenulata |
5 |
| wood decay |
Schizophyllum commune |
17 |
| wood decay |
Stereum spp. |
4 |
| wood decay and heart rots of hardwoods |
Fomes spp. |
2 |
| wood ear |
Auricularia auricula-judae |
15 |
| wood ear |
Auricularia mesenterica |
4 |
| wood ears |
Auricularia spp. |
1 |
| wood rot |
Bjerkandera adusta |
16 |
| wood rot |
Bjerkandera fumosa |
7 |
| woodpeckers |
|
2 |
| woodwasp |
Xiphydria longicollis |
2 |
| woodwasps |
Xiphydria spp. |
1 |
| wool sower gall maker |
Callirhytis seminator |
9 |
| woolly alder aphid |
Prociphilus tessellatus |
12 |
| woolly apple aphid |
Eriosoma lanigerum |
2 |
| woolly beech aphid |
Phyllaphis fagi |
17 |
| woolly elm aphid |
Eriosoma americanum |
4 |
| woolly maple aphid |
Neoprociphilus aceris |
1 |
| wych elm |
Ulmus glabra |
15 |
| X-disease |
Phytoplasma MLO |
1 |
| yaupon |
Ilex vomitoria |
11 |
| yellow birch |
Betula alleghaniensis |
32 |
| yellow birch decline |
|
1 |
| yellow buckeye |
Aesculus flava |
27 |
| yellow cap fungi |
Pholiota spp. |
2 |
| yellow lantern banksia |
Banksia lemanniana |
1 |
| yellow messmate |
Eucalyptus cloeziana |
2 |
| yellow paloverde |
Parkinsonia microphylla |
2 |
| yellow pecan aphid |
Monelliopsis pecanis |
2 |
| yellow poplar weevil |
Odontopus calceatus |
5 |
| yellow willow |
Salix lutea |
4 |
| yellow-bellied sapsucker |
Sphyrapicus varius varius |
1 |
| yellow-gray underwing |
Catocala retecta |
1 |
| yellow-poplar |
Liriodendron tulipifera |
67 |
| yellowleaf hawthorn |
Crataegus flava |
2 |
| yellownecked caterpillar |
Datana ministra |
4 |
| zonate leaf spot |
Grovesinia pyramidalis |
4 |
