Andromeda Lacebug

Inspect underside of new growth for nymphs. Treat with K+ Neem Oil if needed.

Arborvitae Leafminer

Shake bush and look for tiny white moths. Treat with Monterey Garden Insect Spray if needed.

Woolly Beech Aphid

Treat early before natural enemies arrive with Garden Tech’s Sevin.

Aphids

Check for natural enemies before making treatment decision.

Boxwood Mite

Inspect for reddish nymphs on underside of leaves. Insecticidal Soaps and Horticultural Oils may require multiple applications.

Boxwood Psyllids

Inspect tips of new growth for waxy nymphs. Treatment may be too late to prevent damage.

Eastern Tent Caterpillar

Inspect for larvae, webs and plant injury.

Dogwood Borer

Inspect trunk and large branches for holes and fresh sawdust. Destroy by hand or treat with nematodes.

Euonymus Caterpillar

Inspect tips for yellow larvae and silk. Young larvae vulnerable to Thuricide or Bonide Capt. Jack’s Dead Bug pesticide.

Cankerworms

Inspect leaves for holes and larvae. Probably too late for Thuricide. Treat with Monterey Garden Insect Spray if needed.

Forest Tent Caterpillar

Inspect leaves for caterpillars. Probably too late for Thuricide. Treat with Monterey Garden Insect Spray if needed.

Gypsy Moth

Inspect leaves for holes and larvae. Probably too late for Thuricide. Treat with Bonide Capt. Jack’s Dead Bug if needed.

Oystershell Scale

Look for white crawlers on newest growth. Treat with All Season’s Spray Oil if needed.

Hemlock Woolly Adelgid

Inspect for cottony masses at base of needles. Treat with All Season’s Spray Oil if needed..

Lilac Leafminer

Inspect leaves for hatched larvae. Treat with Bonide Borer-Miner Killer if needed.

Holly Leafminer

Install yellow sticky traps. Inspect traps for small gray flies. Monterey Garden Insect Spray if needed.

Honeylocust Plant Bug

Shake branch over white surface. Look for small green nymphs. Treat with Bonide Eight if needed.

Spruce Spider Mite

Shake branch over white surface. Look for tiny reddish mites. Treat with Bonide Malathion if needed.

European Pine Sawfly

Inspect needles for dark green larvae. Handpick or treat with Monterey Garden Insect Spray if needed.

Pine Needle Scale

Inspect needles for red-orange crawlers. Treat with Espoma Earth Tone Insect Control if needed.

White Pine Weevil

Inspect leaders for holes, sap flow and tip curl. prune out infested leaders.

Pine Bark Adelgid

Inspect trunk and branches for white, cottony masses. Increase vigor, reduce stress. Treat with All Season’s Spray Oil.

Imported Willow Leaf Beetle

Inspect for small bluish-black beetles and black larvae skeletonizing leaves. Treat with All Season’s Spray Oil if needed.

Taxus Mealybug

Inspect interior of plants for small mealybugs. Treat with Bonide Eight if needed.