| 0717035 |
spittlebugs or froghoppers |
|
Sooty mold which is often found in association with Spittle Bug feeding. Note the cast skin of a Spittle Bug on the end of the needle. |
| 0717019 |
pine spittlebug |
Aphrophora cribrata |
A sporatic pest on Christmas trees. Inside this Spittle mass is a small insect feeding with piercing, sucking mouthparts. This damage is usually inconsequential, but can result in twig death in some cases. The twig will usually turn light green, then yellow, and then turn brown and die. |
| 0717003 |
pine bark adelgid |
Pineus strobi |
Excess bud formation leading to proliferation of shoots at the top of the tree. Note also the lady beetle feeding on the adelgids. |
| 0717004 |
pine bark adelgid |
Pineus strobi |
Feeding at the base of needles. These cotton masses are the most conspicuous but usually the least damaging. |
| 0717037 |
spittlebugs or froghoppers |
|
Discolored shoots associated with Spittle Bug feeding. |
| 1626004 |
white pine aphid |
Cinara strobi |
The white pine aphid feeds on the bark of twigs and branches. Heavy aphid infestations can seriously weaken small trees. |
| 0717005 |
pine bark adelgid |
Pineus strobi |
Dormant oil sprays in late winter provide effective control but may slightly discolor the tree. |
| 1626003 |
aphids |
|
Aphids feed in colonies. They have plump, pear-shaped bodies and two tubes, or cornicles, which project like exhaust pipes from their abdomens. |