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Pest Control for Mid to Late June

Pest Control for Mid to Late June

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
Arborvitae Arborvitae Leafminer

Arborvitae Leafminer

Tiny silver- white moths fly when branch is shaken. Treat with Monterey Garden Insect Spray if needed.

Birch Aphids

Aphids

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

  Birch Leafminer

Birch Leafminer

Treat only with Bonide Capt. Jack’s Dead Bug if 1st generation damage was severe to protect new growth

Boxwood Boxwood Leafminer

Boxwood Leafminer

Check yellow traps for adult flies, look for leaf spots with brown pupae protruding from the underside. Treat with Bonide Borer-Miner Killer if detected.

Cherry White Prunicola Scale

White Prunicola Scale

Treat with All Season’s Spray Oil before crawlers wax over.

Crabapple Green Peach Aphids

Green Peach Aphids

Check for natural enemies before making treatment decision. If there are no natural enemies use Bonide Eight.

Dogwood Dogwood Borer

Dogwood Borer

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

Euonymus Euonymus Scale

Euonymus Scale

Treat with All Season’s Spray Oil before crawlers wax over.

Hardwoods Polydrusus Weevil

Polydrusus Weevil

Check for notching along leaf margins and shiny metallic green-bronze weevil. Treat with Bonide System Insect Control if needed

Hemlock Hemlock Looper

Hemlock Looper

Shake branches, look for green inchworms dropping on silk threads. Treat with Thuricide if needed

Holly Cottony Camellia Scale

Cottony Camellia Scale

Inspect foliage and stems for large , white waxy scales and new crawlers.

Juniper Juniper Scale

Juniper Scale

Treat with Espoma Earth Tone Insect Control before crawlers wax over.

Linden Linden Bark Moth

Linden Bark Moth

Examine trunk and branches for holes, reddish frass and small moths. Treat with Bonide Capt. Jack’s Dead Bug if needed.

Mountainash Mountainash Sawfly

Mountainash Sawfly

Examine leaflets in shadiest areas for clusters of yellow-green larvae. Pick off or treat with Bonide Capt. Jack’s Dead Bug if needed.

Oak (Red Group) Oak Skeletonizer

Oak Skeletonizer

Examine leaves for lacy skeletonizing and small green larvae. Treat with Bonide Eight if needed.

Pine (Soft) White Pine Weevil

White Pine Weevil

Inspect leaders flagging. Prune out infested leaders before they turn brown.

Rhododendron Rhododendron Borer

Rhododendron Borer

Inspect for male moths. Inspect large lower branches for holes and fresh sawdust.

Yew Black Vine Weevil

Black Vine Weevil

Check burlap traps for adult weevils. Treat with Bonide System Insect Control if needed two weeks after first captures

 

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