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Pest Control for Mid-May

Pest Control for Mid-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
Arborvitae Arborvitae Leafminer

Arborvitae Leafminer

Shake bush and look for tiny white moths. This species makes small cocoons on the foliage.

Beech Woolly Beech Aphid

Woolly Beech Aphid

Treat early before natural enemies arrive. Inspect leaf undersides. Pest produces quantities of honeydew.

Birch Aphids

Aphids

Check for natural enemies before making treatment decision. Consult Nursery Staff for natural enemies.

 

Birch Leafminer

Birch Leafminer

Inspect leaves for hatched larvae (new mines).

Boxwood Boxwood Mite

Boxwood Mite

Inspect for reddish nymphs on underside of leaves.

 

Boxwood Psyllid

Boxwood Psyllids

Inspect tips of new growth for waxy nymphs and cupped foliage.

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 .nematodes.

Euonymus (deciduous) Euonymus caterpillar

Euonymus Caterpillar

Inspect tips for yellow larvae and silk. Young larvae vulnerable to Thuricide. or Monterey Garden Insect Spray.

Hardwoods Cankerworms

Cankerworms

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

 

Forest Tent Caterpillar

Forest Tent Caterpillar

Inspect leaves for caterpillars. Young larvae vulnerable to Thuricide. Treat with Bonide Capt. Jack’s Dead Bug if needed.

 

Gypsy Moth

Gypsy Moth

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

Hemlock

 

Hemlock Woolly Adelgid

Hemlock Woolly Adelgid

Inspect for cottony masses at base of needles and crawlers on twigs. Treat with BioNeem.

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 or treat with nematodes.

  Lilac Leafminer

Lilac Leafminer

Inspect leaves for hatched larvae. Treat with Bonide Borer-Miner Killer if needed.

Holly Native Holly Leafminer

Native Holly Leafminer

Install yellow sticky traps. Inspect traps for small gray flies. Treat with Bonide Borer-Miner Killer if needed.

Honeylocust Honeylocust Pod Gall Midge

Honeylocust Pod Gall Midge

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

 

Spruce Spider Mite

Spruce Spider Mite

Shake branch over white surface. Look for tiny reddish 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 Bonide Capt. Jack’s Dead Bug 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 Espoma Earth Tone Insect Control.

  Pine Spittlebug

Pine Spittlebug

Inspect for spittle masses along branch tips. Ignore, remove by hand or treat with Garden Tech’s Sevin.

Willow Imported Willow Leaf Beetle

Imported Willow Leaf Beetle

Inspect for small bluish-black beetles and black larvae skeletonizing leaves. Treat with Monterey Garden Insect Spray if needed

Yew Taxus Mealybug

Taxus Mealybug

Inspect interior of plants for small mealbugs. Treat with Bonide Malathion if needed.

Turf Black Turfgrass Ataenius

Black Turfgrass Ataenius

Begin sampling for larvae. Treat with Bayer Advanced Powerforce if needed.

 

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