The following are the types of plants to inspect, the pest is what kind of pest you will see in your landscape, and the action is what to do when inspecting your landscape.
Plant | Pest | Action | |
Andromeda |
Inspect underside of new growth for nymphs. Treat with Bonide Eight if needed. |
||
Arborvitae |
Check new growth for mines. Treat with Bayer Tree & Shrub Insect Control |
||
Azalea |
Azalea Bark Scale |
Inspect twig crotches for white, waxy females, pinkish eggs and crawlers. Treat with All Season’s Spray Oil if needed. |
|
Birch |
Bronze Birch Borer |
Inspect for fresh D-shaped emergence holes and overall health. Treat trunk and branches with Bayer Tree & Shrub Insect Control if needed. |
|
Black Locust |
Locust Leafminer |
Inspect for creamy white blotches on leaves. Treat with Bonide Eight if needed. |
|
Crabapple |
Examine branch tips for shiny black egg masses and remove. |
||
Green Peach Aphids |
Check for natural enemies before making treatment decision. If there are no natural enemies use Bayer Sevin. |
||
Dogwood |
Inspect trunk and large branches for holes and fresh sawdust. Destroy by hand or treat with nematodes. |
||
Euonymous |
Euonymous Scale |
Treat before the second generation crawlers wax over |
|
Hardwoods |
Cottony Maple Leaf Scale |
Look for white crawlers on underside of leaves. Treat with Bonide Malathion if needed. |
|
European Fruit Lecanium |
Look for white crawlers on underside of leaves. Treat with Espoma Earth Tone Insect Control if needed. |
||
Check tip leaves for eggs and larvae. Prune or treat with Thuricide or Bonide Capt. Jack’s Dead Bug. |
|||
Examine leaves for adults and skeletonizing. Treat with Bayer Sevin if needed. |
|||
Two-Spotted Spider Mite |
Strike branch on white surface. Check for white mites. |
||
Holly |
Holly Leafminer |
Check new growth for mines. Treat with Bayer Tree & Shrub Insect Control if needed. |
|
Honeylocust |
Honeylocust Mite |
Shake branch over white surface. Look for reddish-brown mites and treat with Monterey Garden Insect Spray if needed. |
|
Mimosa Webworm |
Small, gray-brown larvae webbing leaflets near tips. Prune out or treat with Thuricide or Monterey Garden Insect Spray. |
||
Linden |
Check foliage for nymphs, honeydew, and natural enemies before making treatment decision. |
||
Tulip Poplar | |||
Pine |
Red-headed Pine Sawfly |
Examine needles for clusters of yellow larvae. Pick off or treat with Bonide Capt. Jack’s Dead Bug if needed. |
|
Rhododendron |
Inspect large lower branches for holes and fresh sawdust. Destroy by hand or treat with nematodes. |
||
Rhododendron Tip Midge |
Check for white maggots inside curled edges of newest growth. Prune out or treat with Monterey Garden Insect Spray if needed. |
||
Sharpshooter Leafhopper |
Check new growth for large, green and orange leafhoppers. Treat with Bonide Eight if needed. |
||
Spruce |
Cooley and Eastern Spruce Gall Adelgids |
Prune out galls before they open. |
|
Yew |
Check burlap traps for adult weevils. Treat with Bayer Tree & Shrub Insect Control if needed two weeks after first captures or when numbers level off. |
||
Cottony Taxus Scale |
Look for white crawlers on underside of needles. Treat with All Season’s Spray Oil if needed. |
||
Fletcher Scale |
Look for white crawlers on underside of needles. Treat with Espoma Earth Tone Insect Control if needed. |
- See more at: http://www.northeastnursery.com/garden/earlymidjuly.html#sthash.VPHoQlgd.dpuf