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Pest Control for Mid to Late July

Pest Control for Mid to Late 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

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

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 Bonide Borer-Miner Killer if needed.

Cherry Cherry Scallop Shell Moth

Cherry Scallop Shell Moth

Inspect foliage for silken nests and yellowish caterpillars. Prune out or treat with Thuricide.

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.

Euonymus Glover Scale

Glover Scale

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

Hardwoods European Fruit Lecanium

European Fruit Lecanium

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

  Lacebug

Lacebug 
(Sycamore etc.)

Inspect under leaves for brown droppings, black eggs, and lacebugs. Treat with All Season’s Spray Oil if needed.

  Two-Spotted Spider Mite

Two-Spotted Spider Mite

Strike branch on white surface. Check for white mites.

Hemlock Hemlock Scale

Hemlock Scale

Look for white crawlers on underside of needles. Treat with Espoma Earth Tone 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.

Juniper Juniper Webworm

Juniper Webworm

Inspect interior foliage for early mines and silken tubes. Treat with Thuricide or Bonide Capt. Jack’s Dead Bug.

Lilac Lilac Leafminer

Lilac Leafminer

Inspect underside of leaves for eggs and early mines. Treat with Ortho Systemic Insect Killer.

Linden Typical Aphid shape

Aphids

Check foliage for nymphs, honeydew, and natural enemies before making treatment decision. If there are no enemies use Bayer Sevin.

Tulip Poplar
Pine Pine Needle Scale

Pine Needle Scale

Look for reddish-orange crawlers on needles. Treat with All Season’s Spray Oil if needed.

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.

Sharpshooter Leafhopper

Sharpshooter Leafhopper

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

Tupelo Tupelo Leafminer

Tupelo Leafminer

Inspect leaves for eggs and early mines. Treat with Bayer Tree & Shrub Insect Control if needed.

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.

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/midlatejuly.html#sthash.CXJyTncF.dpuf

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