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Pest Control for Late March to Late April

Pest Control for Late March to Late April

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

Install yellow sticky traps. Examine traps or leaves for small black adult sawflies.

Cherry Eastern Tent Caterpillar

Eastern Tent Caterpillar

Look for and remove egg masses and early tents.

Fir Balsam Twig Aphid

Balsam Twig Aphid

Inspect tips for green nymphs. If found, treat with Bonide Borer-Miner Killer.

Hardwoods Gypsy Moth

Gypsy Moth

Last chance to remove egg masses before hatch

Hemlock Hemlock Eriophyid Mite

Hemlock Eriophyid Mite

Inspect upper surface of needles for tiny, white, cigar-shaped mites. Treat with All Season’s Spray Oil as needed.

Inkberry Inkberry Leafminer

Inkberry Leafminer

Inspect leaves for last year’s damage. Install yellow sticky traps. Examine traps or leaves for small gray-black flies.

Maple Maple Bladdergall Mite Maple Bladdergall Mite

Apply All Season’s Spray Oil before leaf buds expand.

  Pear Thrips Pear Thrips

Pear Thrips Inspect traps periodically for tiny yellow-brown thrips.

Pine European Pine Sawfly

European Pine Sawfly Larvae

Look for clusters of small, dark green larvae on newest needles. See Early March to April.

  European Pine Shoot Moth

European Pine Shoot Moth

Inspect for brown larvae in damaged buds and tips. Treat with registered insecticide if needed.

  Pine Bark Adelgid

Pine Bark Adelgid

Vulnerable to All Season’s Spray Oil.

  Pine Needle Miner

Pine Needle Miner

Somewhat vulnerable to All Season’s Spray Oil.

  Typical Aphid shape

White Pine Aphid

Look for brown nymphs along stems. Check for natural enemies before deciding to treat. Use Bonide Borer-Miner Killer if needed.

Turf White Grubs

White Grubs

Sample root zone (see current UMass Extension Professional Guide for IPM in Turf), identify species and treat with Lebanon Dylox if needed.

- See more at: http://www.northeastnursery.com/garden/latemarchlateapril.html#sthash.twxhiQZI.dpuf

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