| 2112048 |
European oak leaf roller |
Tortrix viridana |
pupal exuviae on leaves; 1996 |
| 2112035 |
gall midge |
Mikiola fagi |
galls on leaves; June 1999 |
| 2112036 |
gall midge |
Mikiola fagi |
galls on leaves; June 1999 |
| 0541019 |
linden gall mite |
Eriophyes tiliae |
|
| 4449037 |
european beech upper leaf erineum mite |
Aceria nervisequa |
|
| 3570063 |
nutrient deficiency |
|
|
| 0541072 |
leaf blotch miner moth |
Phyllonorycter esperella |
|
| 3570044 |
drought |
|
|
| 3570066 |
maple |
Acer spp. |
showing 60% defoliation |
| 3570012 |
European hornbeam |
Carpinus betulus |
showing 60% defoliation |
| 4544020 |
mechanical |
|
|
| 4912058 |
air pollutants |
|
|
| 4554082 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
|
| 4554083 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 4554065 |
linden gall mite |
Eriophyes tiliae |
|
| 4554025 |
gypsy moth |
Lymantria dispar |
adult laying eggs |
| 4449039 |
oak anthracnose |
Apiognomonia errabunda |
|
| 3570065 |
maple |
Acer spp. |
showing 35% defoliation |
| 3570061 |
European beech |
Fagus sylvatica |
showing 80% defoliation |
| 3570074 |
ash |
Fraxinus spp. |
showing 70% defoliation |
| 3570035 |
elm |
Ulmus spp. |
showing 5% defoliation |
| 3570042 |
birch |
Betula spp. |
showing 10% defoliation |
| 4544022 |
mechanical |
|
|
| 4449025 |
nutrient deficiency |
|
|
| 4544019 |
mechanical |
|
|
| 4554031 |
Cynipid gall wasp |
Neuroterus quercusbaccarum |
|
| 4544023 |
mechanical |
|
|
| 0534079 |
Nectria canker |
Nectria spp. |
stroma with perithecia |
| 4544026 |
mechanical |
|
|
| 4554018 |
sunscald |
|
|
| 3040071 |
nutrient deficiency |
|
|
| 3040022 |
nutrient deficiency |
|
|
| 4554029 |
marble gall |
Andricus kollari |
|
| 3040021 |
nutrient deficiency |
|
|
| 4554023 |
leafrollers and olethreutine moths |
|
|
| 3040084 |
gypsy moth |
Lymantria dispar |
|
| 4912086 |
Cynipid gall wasp |
Neuroterus quercusbaccarum |
|
| 4554026 |
browntail moth |
Euproctis chrysorrhoea |
|
| 4554045 |
European elm leafcurl aphid |
Eriosoma ulmi |
|
| 4554042 |
tar spots |
Rhytisma spp. |
|
| 4554044 |
large elm beetle |
Scolytus scolytus |
|
| 4554085 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 4554078 |
gall midge |
Rabdophaga strobilina |
|
| 4912087 |
marble gall |
Andricus kollari |
|
| 4912093 |
european beech leaf roll mite |
Aceria stenaspis |
|
| 4449059 |
Eriophyid mite |
Aceria macrotricha |
|
| 4554050 |
plant louse |
Psyllopsis fraxini |
|
| 4554028 |
Tischerid moth |
Tischeria ekebladella |
|
| 4554057 |
birch bark beetle |
Scolytus ratzeburgi |
|
| 4554064 |
linden gall mite |
Eriophyes tiliae |
|
| 4554084 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 4554074 |
willow redgall sawfly |
Pontania promixa |
|
| 4554035 |
European oak bark beetle |
Scolytus intricatus |
|
| 4554027 |
browntail moth |
Euproctis chrysorrhoea |
|
| 4449061 |
european ash flowergall mite |
Aceria fraxinivora |
|
| 4554024 |
European oak leaf roller |
Tortrix viridana |
|
| 4449060 |
Eriophyid mite |
Aceria macrotricha |
|
| 4554048 |
common sawfly |
Tomostethus nigritus |
|
| 4449041 |
aphid |
Pemphigus populi |
|
| 3040068 |
air pollutants |
|
|
| 4449042 |
Eriophyid mite |
Eriophyes triradiatus |
|
| 4554070 |
plantlouse |
Psylla alni |
|
| 4554036 |
European oak bark beetle |
Scolytus intricatus |
|
| 3040066 |
air pollutants |
|
|
| 0541059 |
oak flea beetle |
Altica quercetorum |
|
| 4912081 |
spittlebug |
Aphrophora salicina |
|
| 4912059 |
air pollutants |
|
|
| 4554080 |
leaf blotch miners |
Phyllonorycter spp. |
|
| 4544032 |
sunscald |
|
|
| 4912077 |
common sawfly |
|
|
| 3040023 |
nutrient deficiency |
|
|
| 4912089 |
aphid |
Pemphigus spyrothecae |
|
| 4912080 |
aphid |
Tetraneura ulmi |
|
| 4554071 |
dothichiza canker of poplar |
Cryptodiaporthe populea |
|
| 4554062 |
oak slug sawfly |
Caliroa annulipes |
|
| 4544025 |
mechanical |
|
|
| 4554081 |
locust digitate leaf miner |
Parectopa robiniella |
|
| 3040085 |
browntail moth |
Euproctis chrysorrhoea |
|
| 4449043 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 4554022 |
robustus conk |
Phellinus robustus |
|
| 4449027 |
scarab beetles |
Melolontha spp. |
|
| 4449056 |
woolly beech aphid |
Phyllaphis fagi |
|
| 4554052 |
larch elm bark beetle |
Hylesinus crenatus |
|
| 4912014 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 4912008 |
scarab beetles |
Melolontha spp. |
|
| 4449057 |
Nectria canker |
Nectria spp. |
|
| 4912094 |
willow leaf beetle |
Lochmaea capreae |
|
| 4449033 |
leaf blister of birch |
Taphrina betulina |
|
| 4554043 |
Dutch elm disease |
Ophiostoma ulmi |
|
| 4554041 |
gall midge |
Harrisomyia vitrina |
|
| 4554056 |
birch bark beetle |
Scolytus ratzeburgi |
|
| 4554038 |
european beech upper leaf erineum mite |
Aceria nervisequa |
|
| 4912082 |
woolly beech aphid |
Phyllaphis fagi |
|
| 3570041 |
sunscald |
|
|
| 3570040 |
sunscald |
|
|
| 4912088 |
plant louse |
Psyllopsis fraxini |
|
| 4554017 |
sunscald |
|
|
| 4449032 |
Sycamore maple |
Acer pseudoplatanus |
|
| 3570071 |
ash |
Fraxinus spp. |
showing 20% defoliation |
| 1191013 |
smaller European elm bark beetle |
Scolytus multistriatus |
galleries on debarked branch |
| 1191014 |
poplar borer |
Saperda carcharias |
pupa in its chamber in the stem |
| 1191015 |
small poplar borer |
Saperda populnea |
damage to young stem; larval gallery in the cut |
| 4449058 |
gall midge |
Physemocecis hartigi |
|
| 0541066 |
leaf blotch miner moth |
Phyllonorycter maestingella |
|
| 0541074 |
Eriophyid mite |
Aceria macrorrhyncha |
|
| 4449026 |
powdery mildew of oak |
Microsphaera alphitoides |
|
| 4554060 |
wood decay |
Schizophyllum commune |
|
| 2110087 |
powdery mildew |
Phyllactinia guttata |
symptoms on foliage |
| 3570045 |
snow and ice damage (snow load) |
|
|
| 3570034 |
snow and ice damage (snow load) |
|
|
| 3570046 |
snow and ice damage (snow load) |
|
|
| 3570067 |
snow and ice damage (snow load) |
|
|
| 2111073 |
ash bark beetle |
Hylesinus varius |
ash bolts with entrance holes; 1990 |
| 2111075 |
birch bark beetle |
Scolytus ratzeburgi |
air holes in the bark |
| 2111078 |
European shot-hole borer |
Xyleborus dispar |
galleries in the stem; May 1998 |
| 2111087 |
willow leaf beetle |
Chrysomela vigintipunctata |
feeding symptoms on leaves with an adult; June 1996 |
| 2111089 |
willow leaf beetle |
Chrysomela vigintipunctata |
defoliated willows; June 1996 |
| 2111090 |
common cockchafer |
Melolontha melolontha |
adults feeding flushing oak leaves; early May, 1999 |
| 2112028 |
European oak bark beetle |
Scolytus intricatus |
maturation feeding; 2001 |
| 2112031 |
leaf beetle |
Gonioctena quinquepunctata |
adult on a damaged leaf; 1998 |
| 2112032 |
leaf beetle |
Gonioctena quinquepunctata |
adult on a damaged leaf; 1998 |
| 2112033 |
leaf beetle |
Gonioctena quinquepunctata |
adult on a damaged leaf; 1998 |
| 2112034 |
leaf beetle |
Gonioctena quinquepunctata |
a damaged leaf; 1998 |
| 2112037 |
woodwasp |
Xiphydria longicollis |
male and female; 1995 |
| 2112039 |
woodwasp |
Xiphydria longicollis |
eggs |
| 2112046 |
European oak leaf roller |
Tortrix viridana |
a flushing bud damaged by larval feeding, with one young instar larva; 1997 |
| 2112047 |
European oak leaf roller |
Tortrix viridana |
pupa in a rolled leaf; 1997 |
| 2112049 |
European oak leaf roller |
Tortrix viridana |
male and female |
| 2112050 |
horse chestnut leafminer |
Cameraria ohridella |
adults sitting on bark of the stem; end of April, 1999 |
| 2112061 |
bird-cherry ermine |
Yponomeuta evonymella |
damage |
| 2112064 |
bird-cherry ermine |
Yponomeuta evonymella |
caterpillar |
| 2112071 |
lackey moth |
Malacosoma neustria |
caterpillar on a damaged apple leaf |
| 2112076 |
browntail moth |
Euproctis chrysorrhoea |
heavily defoliated top of the crown with caterpillars' nests; June 1995 |
| 2112077 |
browntail moth |
Euproctis chrysorrhoea |
defoliated crown with caterpillars' nests; June 1995 |
| 2112081 |
nun moth |
Lymantria monacha |
pupal exuviae |
| 2112088 |
gypsy moth |
Lymantria dispar |
caterpillar with eggs of a tachinid on its body |
| 2112090 |
gypsy moth |
Lymantria dispar |
female |
| 2112091 |
gypsy moth |
Lymantria dispar |
male |
| 2112099 |
Ciboria fungus |
Ciboria batschiana |
apothecia on a mummified acorn |
| 2112100 |
Ciboria fungus |
Ciboria batschiana |
a mummified acorn with apothecia |
| 2113037 |
deer |
|
damage on stem; February 1999 |
| 2113045 |
beech scale |
Cryptococcus fagisuga |
infested stem; September 1996 |
| 2113047 |
beech scale |
Cryptococcus fagisuga |
scale bugs with wax cover on stem; August 1996 |
| 2113053 |
leaf blotch miner moth |
Phyllonorycter robiniella |
adult |
| 2113059 |
European oak leaf roller |
Tortrix viridana |
"double egg" on an oak twig; 1998 |
| 2113060 |
leopard moth |
Zeuzera pyrina |
caterpillar in its gallery |
| 2113061 |
european crane flies |
Tipula spp. |
larval feeding damage on the stems of fir plants in the container |
| 2113062 |
beech bud gall midge |
Contarinia fagi |
larval feeding damage to beech seedlings; May 2001; det. M. Skuhrava, Praha |
| 2113068 |
leaf beetle |
Phratora laticollis |
larvae feeding on a leaf; June 2003; det. Jaromir Strejcek, Praha |
| 2110088 |
powdery mildew of oak |
Microsphaera alphitoides |
mycelium with cleistothecia (black dots) on a leaf |
| 2111002 |
gray mold |
Botrytis cinerea |
mycelium with conidiophores on leaves of an infected plant (after keeping moist for two days) |
| 2111003 |
gray mold |
Botrytis cinerea |
mycelium with conidiophores on buds |
| 2111004 |
gray mold |
Botrytis cinerea |
mycelium with conidiophores on leaves |
| 2111010 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
blotches on infected leaves |
| 2111011 |
powdery mildew of oak |
Microsphaera alphitoides |
mycelium with cleistothecia (black dots) on a leaf |
| 2111018 |
Dutch elm disease |
Ophiostoma ulmi |
"branch symptoms (in the foreground)
and killed trees (in the background); July 1999" |
| 2111019 |
Dutch elm disease |
Ophiostoma ulmi |
vascular staining in the wood of an affected branch; 1996 |
| 2111030 |
blue stain fungi |
Ophiostoma spp. |
fruiting bodies of Ophiostoma sp. at a sample of oak wood (grey-green covers belong to Trichoderma sp.); October 1999 |
| 2111031 |
blue stain fungi |
Ophiostoma spp. |
fruiting bodies of Ophiostoma sp. at a sample of oak wood (grey-green covers belong to Trichoderma sp.); October 1999 |
| 2111034 |
Nectria canker |
Nectria spp. |
fruiting bodies on the stem of a young larch; 2001 |
| 2111039 |
Marssonina leaf spot |
Marssonina salicicola |
necrotic lesions on willow twigs; June 2001 |
| 2110057 |
canker |
Valsa quaternata |
symptoms of infestation; fall 1998 |
| 2110060 |
violet root rot |
Helicobasidium brebissonii |
purple colored teleomorph at the root collar and the base of an oak seedling (after keeping moist); fall 1998 |
| 2110061 |
Nectria canker |
Nectria spp. |
fruiting bodies; October 2000 |
| 2110062 |
oak anthracnose |
Apiognomonia errabunda |
spots on infected leaves; May 2001 |
| 2110063 |
Marssonina leaf spot |
Marssonina salicicola |
necrotic lesions on willow twigs; June 2001 |
| 2110064 |
Guignardia blotch of buckeyes and horsechestnuts |
Guignardia aesculi |
blotches on infected leaves; June 2001 |
| 2110077 |
Dutch elm disease |
Ophiostoma ulmi |
late-stage crown symptoms; May 1999 |
| 2110078 |
Dutch elm disease |
Ophiostoma ulmi |
dead trees with sprouts; July 1999 |
| 2110079 |
Dutch elm disease |
Ophiostoma ulmi |
branch symptoms; July 1999 |
| 2110086 |
white pine blister rust |
Cronartium ribicola |
blackcurrant leaves with telia on the underside |
| 2110043 |
juniper-pear rust |
Gymnosporangium sabinae |
aecia at the base of a pear; October 1999 |
| 2110044 |
juniper-pear rust |
Gymnosporangium sabinae |
early stage of infection on the upperside of a pear leaf; June 2001 |
| 0541071 |
rodents |
|
|
| 3570050 |
nutrient deficiency |
|
|
| 3570052 |
mechanical |
|
|
| 3040072 |
air pollutants |
|
|
| 4449040 |
linden gall mite |
Eriophyes tiliae |
|
| 4449067 |
scarab beetles |
Melolontha spp. |
|
| 4449068 |
scarab beetles |
Melolontha spp. |
|
| 4554047 |
common sawfly |
Tomostethus nigritus |
|
| 4554061 |
tent caterpillar |
Eriogaster lanestris |
|
| 4554058 |
mountain ash juniper rust |
Gymnosporangium cornutum |
|
| 4554059 |
leaf beetle |
Gonioctena quinquepunctata |
|
| 4554063 |
leaf blotch miner moth |
Phyllonorycter issikii |
|
| 4554075 |
common sawfly |
Pontania viminalis |
|
| 4554069 |
Repetophragma fungus |
Repetophragma wroblewski |
|
| 3040083 |
gypsy moth |
Lymantria dispar |
|
| 3570036 |
elm |
Ulmus spp. |
showing 50% defoliation |
| 3570037 |
elm |
Ulmus spp. |
showing 50% defoliation |
| 3570043 |
birch |
Betula spp. |
showing 55% defoliation |
| 0541027 |
willow leaf beetle |
Chrysomela vigintipunctata |
|
| 0541028 |
leaf blotch miner moths |
Phyllocnistis spp. |
|
| 0534085 |
dothichiza canker of poplar |
Cryptodiaporthe populea |
pycnidia |
| 0541020 |
alder leaf beetle |
Agelastica alni |
|
| 0534071 |
clinker polypore |
Inonotus obliquus |
|
