| PLANT |
PEST |
ACTION |
| Birch |
Birch Leafminer |
Inspect sticky traps for black adults. Treat with registered
pesticide if needed. |
| Cherry |
Eastern Tent Caterpillar |
Remove tents and larvae by hand or treat with registered pesticide.
|
| Crabapple |
Eastern Tent Caterpillar |
Remove tents and larvae by hand or treat with registered pesticide.
|
| Dogwood |
Dogwood Borer |
Inspect trunk and large branches for holes and fresh sawdust.
Destroy by hand or treat with nematodes. |
| Euonymus (deciduous) |
Euonymus caterpillar |
Inspect tips for yellow larvae and silk. Young larvae vulnerable
to B.T. or other registered pesticide. |
| Fir |
Cooley Spruce Gall Adelgid |
Inspect for white nymphs on needles. Needles often bent. Treat
with registered pesticide if needed. |
| Hardwoods |
Cankerworms |
Inspect leaves for holes and looper larvae. Young larvae vulnerable
to B.T. or other registered pesticides. |
| |
Gypsy Moth |
Inspect leaves for holes and larvae. Young larvae
vulnerable to B.T. or other registered pesticides. |
| Hemlock |
Hemlock Woolly Adelgid |
Inspect for cottony masses at base of needles and crawlers
on twigs. Most vulnerable/treat with registered pesticide |
| Inkberry |
Inkberry Leafminer |
Check yellow trap for small gray flies and treat if needed
with registered pesticide. |
| Lilac |
Lilac borer |
Inspect trunk and large branches for holes and fresh sawdust.
Destroy by hand or treat with nematodes |
| Maple |
Pear Thrips |
Inspect leaves for tattered, scorched or chlorotic patches
and yellow nymphs beneath. Treatment not recommended. |
| Pine (Hard) |
European Pine Sawfly |
Inspect needles for dark green larvae. Handpick or treat with
registered pesticide if needed. |
| |
White Pine Weevil |
Inspect leaders for holes, sap flow and tip curl.
Prune out infested leaders. |
| Pine (Soft) |
Pine Bark Adelgid |
Inspect trunk and branches for white, cottony
masses. Increase vigor, reduce stress. Treat with registered
pesticide. |
| |
Pine Spittlebug |
Inspect for spittle masses along branch tips.
Ignore, remove by hand or treat with registered pesticide. |
| |
White Pine Aphid |
Inspect tips for brown nymphs. Check for ladybugs
and treat if needed with registered pesticide. |
| |
White Pine Weevil |
Inspect leaders for holes, sap flow and tip
curl. Prune out infested leaders. |
| Spruce |
White Pine Weevil |
Inspect leaders for holes, sap flow and tip curl. Prune out
infested leaders. |
| Viburnum |
Snowball Aphid |
Inspect tip leaves for nymphs. Check for ladybugs and treat
if needed with registered pesticide. |
| Turf |
Hyperodes Weevil |
Sample for adults and treat if needed with registered pesticide.
|
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