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Pest Control for Early to Mid-July

Pest Control for Early to Mid-July

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 Andromeda Lacebug

Andromeda Lacebug (2nd gen.)

Inspect underside of new growth for nymphs. Treat with Bonide Eight if needed.

Arborvitae Arborvitae Leafminer

Arborvitae Leafminer

Check new growth for mines. Treat with Bayer Tree & Shrub Insect Control

Azalea Azalea Bark Scale

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

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

Locust Leafminer

Inspect for creamy white blotches on leaves. Treat with Bonide Eight if needed.

Crabapple Eastern Tent Caterpillar

Eastern Tent Caterpillar

Examine branch tips for shiny black egg masses and remove.

  Green Peach Aphids

Green Peach Aphids

Check for natural enemies before making treatment decision. If there are no natural enemies use Bayer Sevin.

Dogwood Dogwood Borer

Dogwood Borer

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

Euonymous Euonymous Scale

Euonymous Scale

Treat before the second generation crawlers wax over

Hardwoods Cottony Maple Leaf Scale

Cottony Maple Leaf Scale

Look for white crawlers on underside of leaves. Treat with Bonide Malathion if needed.

  European Fruit Lecanium

European Fruit Lecanium

Look for white crawlers on underside of leaves. Treat with Espoma Earth Tone Insect Control if needed.

  Fall Webworm

Fall Webworm

Check tip leaves for eggs and larvae. Prune or treat with Thuricide or Bonide Capt. Jack’s Dead Bug.

  Japanese Beetle

Japanese Beetle

Examine leaves for adults and skeletonizing. Treat with Bayer Sevin if needed.

  Two-Spotted Spider Mite

Two-Spotted Spider Mite

Strike branch on white surface. Check for white mites.

Holly Holly Leafminer

Holly Leafminer

Check new growth for mines. Treat with Bayer Tree & Shrub Insect Control if needed.

Honeylocust Honeylocust Mite

Honeylocust Mite

Shake branch over white surface. Look for reddish-brown mites and treat with Monterey Garden Insect Spray if needed.

Mimosa webworm

Mimosa Webworm

Small, gray-brown larvae webbing leaflets near tips. Prune out or treat with Thuricide or Monterey Garden Insect Spray.

Linden Aphids

Aphids

Check foliage for nymphs, honeydew, and natural enemies before making treatment decision.

Tulip Poplar
Pine Red-headed Pine Sawfly

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 Rhododendron Borer

Rhododendron Borer

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

Rhododendron Tip Midge

Rhododendron Tip Midge

Check for white maggots inside curled edges of newest growth. Prune out or treat with Monterey Garden Insect Spray if needed.

Sharp Shooter

Sharpshooter Leafhopper

Check new growth for large, green and orange leafhoppers. Treat with Bonide Eight if needed.

Spruce Cooley and Eastern Spruce Gall Adelgids

Cooley and Eastern Spruce Gall Adelgids

Prune out galls before they open.

Yew Black Vine Weevil

Black Vine Weevil

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

Cottony Taxus Scale

Look for white crawlers on underside of needles. Treat with All Season’s Spray Oil if needed.

  Fletcher Scale

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

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