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Pest Control for May

Pest Control for May

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
Birch Birch Leafminer

Birch Leafminer

Inspect sticky traps for black adults. Treat with Bonide Borer-Miner Killer if needed.

Cherry Eastern Tent Caterpillar

Eastern Tent Caterpillar

Inspect for larvae webs and plant injury

Crabapple
Dogwood Dogwood Borer

Dogwood Borer

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

Euonymus (deciduous) Euonymus caterpillar

Euonymus Caterpillar

Inspect tips for yellow larvae and silk. Young larvae vulnerable to Thuricide or Bonide Capt. Jack’s Dead Bug

Hardwoods Cankerworms

Cankerworms

Inspect leaves for holes and looper larvae. Young larvae vulnerable to Thuricide or Monterey Garden Insect Spray.

  Forest Tent Caterpillar

Forest Tent Caterpillar

Inspect leaves for caterpillars. Young larvae vulnerable to Thuricide. Treat with Monterey Garden Insect Spray if needed.

  Gypsy Moth

Gypsy Moth

Inspect leaves for holes and larvae. Young larvae vulnerable to Thuricide or Bonide Capt. Jack’s Dead Bug.

Hemlock Hemlock Woolly Adelgid

Hemlock Woolly Adelgid

Inspect for cottony masses at base of needles and crawlers on twigs. Treat with Bon-Neem

Inkberry Inkberry Leafminer

Inkberry Leafminer

Check yellow traps for small gray flies and treat if needed with Monterey Garden Insect Spray.

Lilac Lilac Borer

Lilac Borer

Inspect trunk and large branches for holes and fresh sawdust. Destroy by hand.

Honeylocust Honeylocust Pod Gall Midge

Honeylocust Pod Gall Midge

Install yellow sticky traps. Inspect traps for small orange flies. Treat with Sevin if needed.

Needled Spruce

Spider Mite

Shake branch over white surface. Look for tiny reddish Evergreens mites. Treat with Bonide Mite-X if needed.

Pine European Pine Sawfly

European Pine Sawfly

Inspect needles for dark green larvae. Handpick or treat with Monterey Garden Insect Spray if needed.

& Pine (Soft) White Pine Weevil

White Pine Weevil

Inspect leaders for holes, sap flow and tip curl. Prune out infested leaders.

Pine (Soft) Pine Bark Adelgid

Pine Bark Adelgid

Inspect trunk and branches for white, cottony masses. Increase vigor, reduce stress. Treat with BioNeem.

Pine Spittlebug

Pine Spittlebug

Inspect for spittle masses along branch tips. Ignore, remove by hand or treat with Eight.

Typical Aphid shape

White Pine Aphid

Inspect tips for brown nymphs. Check for ladybugs and treat if needed with Neem Spray.

Willow Imported Willow Leaf Beetle

Imported Willow Leaf Beetle

Inspect for small bluish-black beetles. Treat with Bonide Capt. Jack’s Dead Bug if needed.

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