| PLANT |
PEST |
ACTION |
| Arborvitae |
Arborvitae Leafminer |
Shake bush and look for tiny white moths. This species makes
small cocoons on the foliage . |
| Beech |
Woolly Beech Aphid |
Treat early before natural enemies arrive. Inspect leaf undersides.
Pest produces quantities of honeydew. |
| Birch |
Aphids |
Check for natural enemies before making treatment decision. |
| |
Birch Leafminer |
Inspect leaves for hatched larvae (new mines).
|
| Boxwood |
Boxwood Mite |
Inspect for reddish nymphs on underside of leaves. |
| |
Boxwood Psyllid |
Inspect tips of new growth for waxy nymphs and
cupped foliage. |
| Cherry |
Eastern Tent Caterpillar |
Inspect for larvae, webs and plant injury. |
| Crabapple |
Eastern Tent Caterpillar |
Inspect for larvae, webs and plant injury |
| 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. |
| Hardwoods |
Cankerworms |
Inspect leaves for holes and looper larvae. Young larvae vulnerable
to B.T. or other registered pesticide. |
| |
Forest Tent Caterpillar |
Inspect leaves for caterpillars. Young larvae vulnerable to
B.T. Treat with registered pesticide if needed. |
| |
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. Treat with registered.pesticide |
| Inkberry |
Inkberry Leafminer |
Check yellow traps 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. |
| |
Lilac Leafminer |
Inspect leaves for hatched larvae. Treat with
registered systemic if needed. |
| Holly |
Native Holly Leafminer |
Install yellow sticky traps. Inspect traps for small gray
flies. Treat with registered pesticide if needed. |
| Honeylocust |
Honeylocust Pod Gall Midge |
Install yellow sticky traps. Inspect traps for small orange
flies. Treat with registered pesticide if needed. |
| Needled Evergreens |
Spruce Spider Mite |
Shake branch over white surface. Look for tiny reddish mites.
Treat with registered pesticide if needed. |
| 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 Weevil |
Inspect leaders for holes, sap flow and tip
curl. Prune out infested leaders. |
| Willow |
Imported Willow Leaf Beetle |
Inspect for small bluish-black beetles and black larvae skeletonizing
leaves. Treat with registered pesticide if needed |
| Yew |
Taxus Mealybug |
Inspect interior of plants for small mealbugs. Treat with
registered pesticide if needed. |
| Turf |
Black Turfgrass Ataenius |
Begin sampling for larvae. Treat with registered pesticide
if needed. |
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