| 5495266 |
cicadas |
|
Flagging damage to Gamble Oak |
| 5430574 |
hackberry blistergall psyllid |
Pachypsylla celtidisvesiculum |
Pachypsylla celtidisvesicula |
| 5472896 |
kermes scales |
Kermes spp. |
White oak with dieback of new terminal growth caused by a Lecanium scale. |
| 5472897 |
kermes scales |
Kermes spp. |
White oak with dieback of new terminal growth caused by a Lecanium scale. |
| 2168052 |
aphid |
Tetraneura ulmi |
galls |
| 2168063 |
aphid |
Tetraneura ulmi |
galls |
| 2168062 |
aphid |
Tetraneura ulmi |
galls |
| 2168048 |
aphid |
Tetraneura ulmi |
galls |
| 2168049 |
aphid |
Tetraneura ulmi |
galls |
| 2168051 |
aphid |
Tetraneura ulmi |
galls |
| 3066041 |
oak phylloxerids |
Phylloxera spp. |
new shoots in Nuttall oak seedlings killed |
| 2168047 |
aphid |
Tetraneura ulmi |
|
| 2168066 |
aphid |
Tetraneura ulmi |
|
| 2168050 |
aphid |
Tetraneura ulmi |
|
| 2168045 |
aphid |
Tetraneura ulmi |
|
| 2102017 |
woolly beech aphid |
Phyllaphis fagi |
rolling leaves after a wooly aphid attacks on the lower side |
| 5019003 |
periodical cicada |
Magicicada spp. |
oviposition slits on twig |
| 5411002 |
aphid |
Tetraneura ulmi |
|
| 5411003 |
aphid |
Tetraneura ulmi |
|
| 5410997 |
aphid |
Tetraneura ulmi |
|
| 5371225 |
aphid |
Eriosoma lanuginosa |
|
| 5377842 |
aphid |
Prociphilus bumeliae |
|
| 5377843 |
aphid |
Prociphilus bumeliae |
|
| 5377837 |
aphid |
Prociphilus bumeliae |
|
| 5377838 |
aphid |
Prociphilus bumeliae |
|
| 5377839 |
aphid |
Prociphilus bumeliae |
|
| 5377840 |
aphid |
Prociphilus bumeliae |
|
| 5377841 |
aphid |
Prociphilus bumeliae |
|
| 5382433 |
honeylocust leafhopper |
Macropsis fumipennis |
Insects and damage to foliage |
| 0758083 |
beech scale |
Cryptococcus fagisuga |
Beech tree with chlorotic foliage, a symptom of beech bark disease. |
| 0758084 |
beech scale |
Cryptococcus fagisuga |
Close up of scale insect, Cryptococcus fagisuga on beech bark. |
| 5378134 |
aphid |
Tetraneura ulmi |
|
| 5378449 |
aphid |
Pemphigus spyrothecae |
|
| 5378450 |
aphid |
Pemphigus spyrothecae |
|
| 5378451 |
aphid |
Pemphigus spyrothecae |
|
| 5378452 |
aphid |
Pemphigus spyrothecae |
|
| 5378030 |
aphid |
Pemphigus spyrothecae |
|
| 5378448 |
aphid |
Pemphigus spyrothecae |
|
| 5378445 |
aphid |
Pemphigus spyrothecae |
|
| 5378444 |
aphid |
Pemphigus spyrothecae |
|
| 5019005 |
periodical cicada |
Magicicada spp. |
oviposition slits in branch |
| 5019006 |
periodical cicada |
Magicicada spp. |
|
| 5019007 |
periodical cicada |
Magicicada spp. |
|
| 5019010 |
periodical cicada |
Magicicada spp. |
oviposition slits in branch |
| 5019011 |
periodical cicada |
Magicicada septendecim |
|
| 5018094 |
periodical cicada |
Magicicada spp. |
damaged twigs |
| 5046099 |
beech scale |
Cryptococcus fagisuga |
and tarry spots |
| 0758082 |
beech scale |
Cryptococcus fagisuga |
Bark of American beech with symptoms of beech bark disease. |
| 2101049 |
beech scale |
Cryptococcus fagisuga |
white, waxy wool on the trunk |