| 4212070 |
sawyer beetles |
Monochamus spp. |
exit hole |
| 4212069 |
sugar maple borer |
Glycobius speciosus |
|
| 4212065 |
bronze birch borer |
Agrilus anxius |
showing through bark |
| 4212066 |
bronze birch borer |
Agrilus anxius |
under bark (peeled) |
| 4212068 |
bronze birch borer |
Agrilus anxius |
mortality in stressed stand invaded by borers |
| 4212063 |
twolined chestnut borer |
Agrilus bilineatus |
infested during current growning season |
| 4212064 |
twolined chestnut borer |
Agrilus bilineatus |
dead top from current infestation |
| 4212059 |
poplar borer |
Saperda calcarata |
exit hole and frass |
| 4212067 |
bronze birch borer |
Agrilus anxius |
exit hole |
| 4212058 |
poplar borer |
Saperda calcarata |
varnish and frass |
| 4212057 |
poplar borer |
Saperda calcarata |
varnish streaking |
| 4212061 |
twolined chestnut borer |
Agrilus bilineatus |
|
| 4213091 |
emerald ash borer |
Agrilus planipennis |
Epicormic branching; Suckering |
| 4213092 |
emerald ash borer |
Agrilus planipennis |
dieback |
| 4212062 |
twolined chestnut borer |
Agrilus bilineatus |
exit hole |
| 4212060 |
poplar borer |
Saperda calcarata |
inside of stem |
| 4212050 |
long-horned beetles |
Saperda spp. |
galls |
| 4212051 |
poplar gall borer |
Saperda inornata |
broken stem |
