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 |  |
Install yellow sticky traps. Examine traps or leaves for small black adult sawflies. |
|
| Cherry |  |
Look for and remove egg masses and early tents. |
|
| Crabapple | |||
| Fir |  |
Inspect tips for green nymphs. If found, treat with Bonide Borer-Miner Killer. |
|
| Hardwoods |  |
Gypsy Moth |
Last chance to remove egg masses before hatch |
| Hemlock |  |
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 |
Inspect leaves for last year’s damage. Install yellow sticky traps. Examine traps or leaves for small gray-black flies. |
| Maple |  |
Maple Bladdergall Mite |
Apply All Season’s Spray Oil before leaf buds expand. |
 |
Pear Thrips |
Pear Thrips Inspect traps periodically for tiny yellow-brown thrips. |
|
| Pine |  |
European Pine Sawfly Larvae |
Look for clusters of small, dark green larvae on newest needles. See Early March to April. |
 |
European Pine Shoot Moth |
Inspect for brown larvae in damaged buds and tips. Treat with registered insecticide if needed. |
|
 |
Pine Bark Adelgid |
Vulnerable to All Season’s Spray Oil. |
|
 |
Pine Needle Miner |
Somewhat vulnerable to All Season’s Spray Oil. |
|
 |
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 |
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
