| 5461631 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 5461632 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 5461630 |
horse chestnut leafminer |
Cameraria ohridella |
|
| 1259043 |
oak flea beetle |
Altica quercetorum |
|
| 1220102 |
willow scale |
Chionaspis salicis |
with scale predator, Chilicorus renipustulatus, on bark surface |
| 1415156 |
Phytophthora root and crown rot |
Phytophthora cambivora |
On oak leaves as baiting trap. Sept. 13, 2002 |
| 1371108 |
wood decay |
Phlebia radiata |
Göttingen, Germany |
| 1371099 |
Inonotus canker |
Inonotus nodulosus |
Lower side. Göttingen, Germany |
| 1371098 |
Inonotus canker |
Inonotus nodulosus |
Upper side. Göttingen, Germany |
| 1371007 |
trunk rot |
Ustulina deusta |
broken tree due to white rot of butt roots |
| 1371005 |
trunk rot |
Ustulina deusta |
black sclerenchymatic lines in white rot |
| 1415158 |
Phytophthora root and crown rot |
Phytophthora cambivora |
Sept. 13, 2002 |
| 1415153 |
trunk rot |
Ustulina deusta |
Pseudosclerotic layers. Sept. 13, 2002 |
| 1415159 |
Phytophthora root and crown rot |
Phytophthora cambivora |
Sept. 13, 2002 |
| 1260015 |
gypsy moth |
Lymantria dispar |
Two empty gypsy moth pupae with dull surface and dark-yellow bristles. One empty nun moth pupa. Sachsen, Germany |
| 1371107 |
red polypore |
Pycnoporus cinnabarinus |
Groz Ilde, Germany |
| 1371103 |
Pezicula fungus |
Pezicula cinnamomea |
Cankers. Göttingen, Germany |
| 1371102 |
sulfur shelf |
Laetiporus sulphureus |
Göttingen, Germany |
| 1371106 |
thin-walled maze polypore |
Daedaleopsis confragosa |
Hildesheim, Germany |
| 1371020 |
Armillaria root rot |
Armillaria mellea |
|
| 1371011 |
Phytophthora root and crown rot |
Phytophthora cambivora |
Stand symptoms. Story, Germany |
| 1371009 |
trunk rot |
Ustulina deusta |
longitudinal section of fruiting body with several chambers. |
| 1371008 |
trunk rot |
Ustulina deusta |
fruiting bodies in green moss. |
| 1415160 |
Armillaria root rot |
Armillaria mellea |
Nov. 13, 2002 |
| 1371097 |
weeping conk |
Inonotus dryadeus |
Göttingen, Germany |
| 1371109 |
late oyster mushroom |
Panellus serotinus |
Göttingen, Germany |
| 1371101 |
red-belted fungus |
Fomitopsis pinicola |
Göttingen, Germany |
| 1118301 |
English oak |
Quercus robur |
|
| 1371018 |
Armillaria root rot |
Armillaria mellea |
|
| 1371017 |
Phytophthora root and crown rot |
Phytophthora cambivora |
Necrosis on the roots and root collar. Story, Germany |
| 1415155 |
Phytophthora root and crown rot |
Phytophthora cambivora |
Bark necrosis of root collar. Sept. 13, 2002 |
| 1415154 |
sunscald |
|
Sept. 13, 2002 |
| 1118298 |
European beech |
Fagus sylvatica |
Crown competition; beech on left & Q. robur on right |
| 1371014 |
Phytophthora root and crown rot |
Phytophthora cambivora |
Tar spots, with bark removed. Lesse, Germany |
| 1260038 |
European oak leaf roller |
Tortrix viridana |
Leaf flush varibility. April 18th 1998. See images #1260039 and #1260040. Sachsen, Germany |
| 1260040 |
European oak leaf roller |
Tortrix viridana |
Leaf flush varibility. May 6th 1998. See images #1260038 and #1260039. Sachsen, Germany |
| 1260039 |
European oak leaf roller |
Tortrix viridana |
Leaf flush varibility. April 28th 1998. See images #1260038 and #1260040. Sachsen, Germany |
| 1371019 |
Armillaria root rot |
Armillaria mellea |
|
| 1415157 |
Stigmina fungus |
Wilsonomyces carpophilus |
Necrotic spots. Sept. 13, 2002 |
| 1260006 |
gypsy moth |
Lymantria dispar |
Female over egg mass. Empty pupae of nun moth and two empty pupae of gypsy moth, below, right of female. Surface of nun moth pupae is shiny with white-yellow long bristles. This was a pine stand with some birch during a nun moth outbreak Sachsen, Germany |
| 1260010 |
gypsy moth |
Lymantria dispar |
Old egg cluster after hatch Sachsen, Germany |
| 1371012 |
Phytophthora root and crown rot |
Phytophthora cambivora |
Story, Germany |
| 1260007 |
gypsy moth |
Lymantria dispar |
Female over egg mass. Empty pupae of nun moth and two empty pupae of gypsy moth, below, right of female. Surface of nun moth pupae is shiny with white-yellow long bristles. This was a pine stand with some birch during a nun moth outbreak Sachsen, Germany |
| 1220065 |
northern winter moth |
Operophtera fagata |
female imago, climbing up host tree |
| 1220103 |
kidney-spot ladybird |
Chilocorus renipustulatus |
a predator of scale Chionaspis salicis |
| 1220085 |
oak flea beetle |
Altica quercetorum |
|
| 1220049 |
mottled umber moth |
Erannis defoliaria |
female imago |
| 1220050 |
mottled umber moth |
Erannis defoliaria |
female imago |
| 1220068 |
winter moth |
Operophtera brumata |
female imago, climbing up host tree |
| 1220063 |
winter moths |
Operophtera spp. |
Male imago, Operophtera brumata or O. fagata |
| 1220064 |
winter moths |
Operophtera spp. |
Male imago, Operophtera brumata or O. fagata |
| 1220066 |
northern winter moth |
Operophtera fagata |
female imago, climbing up host tree |
| 1220051 |
northern winter moth |
Operophtera fagata |
|
| 1220069 |
winter moth |
Operophtera brumata |
female imago, climbing up host tree |
| 1220098 |
willow scale |
Chionaspis salicis |
|
| 1220101 |
willow scale |
Chionaspis salicis |
|
| 1220097 |
willow scale |
Chionaspis salicis |
|
| 1220100 |
willow scale |
Chionaspis salicis |
|
| 1220067 |
winter moth |
Operophtera brumata |
female imago, climbing up host tree |
| 1220088 |
oak flea beetle |
Altica quercetorum |
feeding in groups |
| 1259094 |
gypsy moth |
Lymantria dispar |
|
| 1371100 |
Inonotus canker |
Inonotus cuticularis |
|
| 1118299 |
European beech |
Fagus sylvatica |
|
| 1220095 |
oak flea beetle |
Altica quercetorum |
defoliated and partly new flushed trees |
| 1220089 |
oak flea beetle |
Altica quercetorum |
feeding in groups |
| 1220087 |
oak flea beetle |
Altica quercetorum |
and empty eggs |
| 1220094 |
oak flea beetle |
Altica quercetorum |
and new flushed leaf cluster |
| 1220086 |
oak flea beetle |
Altica quercetorum |
|
| 1220084 |
oak flea beetle |
Altica quercetorum |
with imagines feeding |
| 1220083 |
oak flea beetle |
Altica quercetorum |
with imagines feeding |
| 1220079 |
European oak leaf roller |
Tortrix viridana |
abdomen with cremaster, lateral view |
| 1259095 |
gypsy moth |
Lymantria dispar |
|
| 1220096 |
willow scale |
Chionaspis salicis |
|
| 1220077 |
European oak leaf roller |
Tortrix viridana |
5th instar |
| 1220078 |
European oak leaf roller |
Tortrix viridana |
5th instar directly before pupation |
| 1220076 |
European oak leaf roller |
Tortrix viridana |
5th instar |
| 1220075 |
European oak leaf roller |
Tortrix viridana |
5th instar |
| 1118300 |
European beech |
Fagus sylvatica |
Beech, Q. robur stand, ~ 150-200 yrs carpinus midstory, little regeneration |
| 1220071 |
Tachinid fly |
Cyzenis albicans |
eggs of parasitoid are laid in surface of injured leaves |
| 1259019 |
deer |
|
|
| 1220092 |
oak flea beetle |
Altica quercetorum |
|
| 2110004 |
Phytophthora disease of alders |
Phytophthora alni |
Smooth-walled oogonium of P. alni (Swedish variant) with oospore and amphigynous antheridium. |
| 2110005 |
Phytophthora disease of alders |
Phytophthora alni |
Mature, riparian common alder (A. glutinosa) stand heavily impacted by root and collar rot caused by P. alni; surviving healthy alder in the center may indicate occurrence of resistance. |
| 1220056 |
winter moth |
Operophtera brumata |
cremaster, ventral view |
| 2110006 |
Phytophthora disease of alders |
Phytophthora alni |
Mature, riparian common alder (A. glutinosa) stand with high impact of Phytophthora root and collar rot. |
| 2110007 |
Phytophthora disease of alders |
Phytophthora alni |
Alder plantation on former agricultural land; note infected grey alder (A. incana) with sparse, chlorotic and small-sized foliage. |
| 1220054 |
winter moth |
Operophtera brumata |
|
| 2110012 |
Phytophthora disease of alders |
Phytophthora alni |
Root system of a 2-year-old nursery grown common alder (A. glutinosa) with necrotic lesions caused by P. alni. |
| 2110009 |
Phytophthora disease of alders |
Phytophthora alni |
Common alder (A. glutinosa) in a non-flooded forest plantation with root and collar rot caused by P. alni. |
| 2110010 |
Phytophthora disease of alders |
Phytophthora alni |
Mature common alder (A. glutinosa) with collar rot by P. alni (note tarry spots at the outer bark) growing in a forest stand; introduction of the pathogen via alder plantation in the neighbourhood established with infested planting stock. |
| 2110011 |
Phytophthora disease of alders |
Phytophthora alni |
2-yr-old sprouts of of an 8-yr-old coppiced Alnus glutinosa showing wilting due to root and collar rot caused by P. alni. |
| 1220070 |
winter moths |
Operophtera spp. |
defoliated leaves |
| 1220060 |
northern winter moth |
Operophtera fagata |
cremaster, lateral view |
| 1220061 |
northern winter moth |
Operophtera fagata |
abdomen with cremaster, lateral view |
| 1220053 |
winter moths |
Operophtera spp. |
and larvae of Operophtera brumata or Operophtera fagata |
| 1220057 |
winter moth |
Operophtera brumata |
cremaster, lateral view |
| 1220048 |
mottled umber moth |
Erannis defoliaria |
|
| 1220058 |
winter moth |
Operophtera brumata |
abdomen with cremaster, lateral view |
| 1220090 |
oak flea beetle |
Altica quercetorum |
feeding in groups |
| 1220052 |
winter moths |
Operophtera spp. |
leaf cluster spined together by young larvae of Operophtera brumata or Operophtera fagata |
| 1220091 |
oak flea beetle |
Altica quercetorum |
|
| 2110008 |
Phytophthora disease of alders |
Phytophthora alni |
Grey alder (A. incana) with collar rot caused by P. alni; note the typical tarry spots at the outer bark and the tongue-shaped orange-brown necrosis of the inner bark. |
| 2110002 |
Phytophthora disease of alders |
Phytophthora alni |
Non-papillate sporangia of P. alni showing nested proliferation. |
| 2110003 |
Phytophthora disease of alders |
Phytophthora alni |
Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium. |
| 2110001 |
Phytophthora disease of alders |
Phytophthora alni |
Mature common alder with collar rot caused by P. alni showing sparse, chlorotic and small-sized foliage. |
| 1220093 |
oak flea beetle |
Altica quercetorum |
and new flushed leaf cluster |
| 1220059 |
northern winter moth |
Operophtera fagata |
cremaster, dorsal view |
| 1371015 |
Phytophthora root and crown rot |
Phytophthora cambivora |
Uniform yellowing of young tree due to root damage. Story, Germany |
| 1371013 |
Phytophthora root and crown rot |
Phytophthora cambivora |
Tar spots. Lesse, Germany |
| 1399200 |
Asian gypsy moth |
Lymantria dispar asiatica |
Drowned in a bucket of water, Germany. |
| 1399193 |
Asian gypsy moth |
Lymantria dispar asiatica |
Asian gypsy moth pupal cases on shipping containers loaded on train destined for delivery to Port of Hamburg, Germany. |
| 1399197 |
Asian gypsy moth |
Lymantria dispar asiatica |
Asian gypsy moth egg masses on European beech, Freiburg Germany. |
| 1399198 |
Asian gypsy moth |
Lymantria dispar asiatica |
Infestation at US Army ammo bunker,Germany. Egg masses on munitions shipped to NC, USA |
| 1399199 |
Asian gypsy moth |
Lymantria dispar asiatica |
Infestation at US Army Ammunition bunker, Germany |
| 1399191 |
Asian gypsy moth |
Lymantria dispar asiatica |
Egg mass on shipping container |
| 1399192 |
Asian gypsy moth |
Lymantria dispar asiatica |
Female and egg mass |
| 1399194 |
Asian gypsy moth |
Lymantria dispar asiatica |
US Army shipping containers with egg masses. |
| 1399195 |
gypsy moth |
Lymantria dispar |
Egg masses on door, US Army ammo bunker near Frankfurt, Germany. |
| 1399196 |
gypsy moth |
Lymantria dispar |
Egg mass on building in Germany |
| 1371104 |
Pezicula fungus |
Pezicula cinnamomea |
Callusing rings. Göttingen, Germany |
| 1371110 |
Marssonina leaf spot |
Marssonina betulae |
Göttingen, Germany |
| 1371016 |
Phytophthora root and crown rot |
Phytophthora cambivora |
Necrosis on the roots. Story, Germany |
| 0176039 |
Arabis Mosaic Virus |
Nepovirus ArMV |
Sambucus nigra (elder) with vein clearing due to arabis mosaic nepovirus. |
| 1371010 |
trunk rot |
Ustulina deusta |
ongitudinal section of fruiting body with one chamber. |
| 1371006 |
trunk rot |
Ustulina deusta |
black sclerenchymatic lines in white rot |
| 1371003 |
tinder fungus |
Fomes fomentarius |
longitudinal cracks. Story, Germany |
| 1371004 |
trunk rot |
Ustulina deusta |
necrosis coming from the soil between butt roots |
| 1259044 |
oak flea beetle |
Altica quercetorum |
|
| 1259045 |
oak flea beetle |
Altica quercetorum |
|
| 1259046 |
oak flea beetle |
Altica quercetorum |
|
| 1260041 |
northern winter moth |
Operophtera fagata |
Fifth stage. Dorsal view, medium color with typical contrast coloring of pigmented fields of head capsule. Sachsen, Germany |
| 1260009 |
gypsy moth |
Lymantria dispar |
Hemiptera nymph sucking on eggs of gypsy moth
Female over egg mass.
Sachsen, Germany |
| 1260013 |
nun moth |
Lymantria monacha |
Empty pupae of nun moth and gypsy moth. The nun moth with a gleam pupae surface and white-yellow bristles. The gypsy moth with dull surface and dark-yellow bristles.
Sachsen, Germany |
| 1260014 |
nun moth |
Lymantria monacha |
Dead adults of nun moth and gypsy moth
Sachsen, Germany |
| 1260035 |
northern winter moth |
Operophtera fagata |
Fifth stage. Dorsal view with a light head capsule, sharp and clear signed pigmented fields on the head capsule. Sachsen, Germany |
| 1260036 |
northern winter moth |
Operophtera fagata |
Fifth stage. Lateral view with a medium colored and typical contrast coloring of pigmented fields of head capsule. Sachsen, Germany |
| 1220099 |
willow scale |
Chionaspis salicis |
|
| 1220104 |
willow scale |
Chionaspis salicis |
female shield opened by predator, Chilicorus renipustulatus |
| 1220105 |
willow scale |
Chionaspis salicis |
shield is perforated by imaginal parasitoid during hatch |
| 1220106 |
willow scale |
Chionaspis salicis |
pupa of a parasitoid below a scale shield, all eggs are devoured by parasitiod larvae |
| 1220080 |
European oak leaf roller |
Tortrix viridana |
abdomen with cremaster, vental view of female |
| 1220081 |
European oak leaf roller |
Tortrix viridana |
|
| 1220082 |
oak flea beetle |
Altica quercetorum |
|
| 1220055 |
winter moth |
Operophtera brumata |
|
| 1220062 |
northern winter moth |
Operophtera fagata |
lateral view of the abdominal segments with stigma |
| 1220072 |
Tachinid fly |
Cyzenis albicans |
eggs of parasitoid are laid in surface of injured leaves |
| 1220073 |
Tachinid fly |
Cyzenis albicans |
two parasitoid larvae near salvia glands of the host, glands visible as long bright pipe formed objects |
| 1220074 |
Tachinid fly |
Cyzenis albicans |
two parasitoid larvae near salvia glands of the host, glands visible as long bright pipe formed objects |