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. Consult Nursery Staff for natural enemies.
|
|
|
Birch Leafminer
|
Inspect leaves for hatched larvae (new mines).
|
Boxwood |
|
Boxwood Mite
|
Inspect for reddish nymphs on underside of leaves.
|
|
|
Boxwood Psyllids
|
Inspect tips of new growth for waxy nymphs and cupped foliage.
|
Cherry |
|
Eastern Tent Caterpillar
|
Inspect for larvae, webs and plant injury.
|
Crabapple |
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 Thuricide. or Monterey Garden Insect Spray.
|
Hardwoods |
|
Cankerworms
|
Inspect leaves for holes and looper larvae. Young larvae vulnerable to Thuricide or Bonide Capt. Jack’s Dead Bug.
|
|
|
Forest Tent Caterpillar
|
Inspect leaves for caterpillars. Young larvae vulnerable to Thuricide. Treat with Bonide Capt. Jack’s Dead Bug if needed.
|
|
|
Gypsy Moth
|
Inspect leaves for holes and larvae. Young larvae vulnerable to Thuricide or Monterey Garden Insect Spay.
|
Hemlock
|
|
Hemlock Woolly Adelgid
|
Inspect for cottony masses at base of needles and crawlers on twigs. Treat with BioNeem.
|
Inkberry |
|
Inkberry Leafminer
|
Check yellow traps for small gray flies and treat if needed with Monterey Garden Insect Spray.
|
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 Bonide Borer-Miner Killer if needed.
|
Holly |
|
Native Holly Leafminer
|
Install yellow sticky traps. Inspect traps for small gray flies. Treat with Bonide Borer-Miner Killer if needed.
|
Honeylocust |
|
Honeylocust Pod Gall Midge
|
Install yellow sticky traps. Inspect traps for small orange flies. Treat with registered pesticide if needed.
|
|
|
Spruce Spider Mite
|
Shake branch over white surface. Look for tiny reddish mites. Treat with Bonide Mite-X if needed.
|
Pine |
|
European Pine Sawfly
|
Inspect needles for dark green larvae. Handpick or treat with Bonide Capt. Jack’s Dead Bug if needed.
|
& Pine (Soft) |
|
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 Espoma Earth Tone Insect Control.
|
|
|
Pine Spittlebug
|
Inspect for spittle masses along branch tips. Ignore, remove by hand or treat with Garden Tech’s Sevin.
|
Willow |
|
Imported Willow Leaf Beetle
|
Inspect for small bluish-black beetles and black larvae skeletonizing leaves. Treat with Monterey Garden Insect Spray if needed
|
Yew |
|
Taxus Mealybug
|
Inspect interior of plants for small mealbugs. Treat with Bonide Malathion if needed.
|
Turf |
|
Black Turfgrass Ataenius
|
Begin sampling for larvae. Treat with Bayer Advanced Powerforce if needed.
|