| 4836004 |
pine needle scale |
Chionaspis pinifoliae |
heavy infestation on mugo pine |
| 4836041 |
pine needle scale |
Chionaspis pinifoliae |
heavy infestation on mugo pine |
| 4836008 |
white pine aphid |
Cinara strobi |
colonies are often accompanied by ants, who feed on the honeydew secreted by the aphids |
| 4836009 |
white pine aphid |
Cinara strobi |
Note ants feeding on the honeydew secreted by the aphids |
| 0907012 |
pine needle scale |
Chionaspis pinifoliae |
close-up immature & mature female & newly-hatched, brown crawlers of the next generation |
| 0907024 |
oystershell scale |
Lepidosaphes ulmi |
infestations are usually confined to small portions of trees |
| 0907028 |
birch skeletonizer |
Bucculatrix canadensisella |
on white birch
Early instar larvae are legless and feed with leaf tissues. Later instars have fully-functioning legs and feed externally. Note the presence of silken molting webs and pupal case |
| 0907053 |
woolly alder aphid |
Prociphilus tessellatus |
colony, covered with white, waxy strands |