| 4836015 |
yellowheaded spruce sawfly |
Pikonema alaskensis |
larvae prefer to feed on current-year foliage; older foliage may be eaten when new filiageis compeletely gonel |
| 4836004 |
pine needle scale |
Chionaspis pinifoliae |
heavy infestation on mugo pine |
| 4836006 |
European pine sawfly |
Neodiprion sertifer |
are often seen in pairs on individual needles |
| 4836007 |
European pine sawfly |
Neodiprion sertifer |
larvae are often seen in pairs on individual needles |
| 0907013 |
introduced pine sawfly |
Diprion similis |
on White Pine |
| 0907014 |
redheaded pine sawfly |
Neodiprion lecontei |
|
| 0907018 |
white pine weevil |
Pissodes strobi |
dead terminal caused by damage |
| 0907021 |
cooley spruce gall adelgid |
Adelges cooleyi |
on douglas fir, under flocculence Note:syrphid fly larva preying on adelgids |
| 0907023 |
spruce gall adelgid |
Pineus similis |
galls form at the end of new growth and are often covered with needles making twigs appear scraggly |
