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 |  |
Inspect sticky traps for black adults. Treat with Bonide Borer-Miner Killer if needed. |
|
| Cherry |  |
Inspect for larvae webs and plant injury |
|
| Crabapple | |||
| Dogwood |  |
Inspect trunk and large branches for holes and fresh sawdust. Destroy by hand or treat with beneficial nematodes |
|
| Euonymus (deciduous) |  |
Euonymus Caterpillar |
Inspect tips for yellow larvae and silk. Young larvae vulnerable to Thuricide or Bonide Capt. Jack’s Dead Bug |
| Hardwoods |  |
Inspect leaves for holes and looper larvae. Young larvae vulnerable to Thuricide or Monterey Garden Insect Spray. |
|
 |
Inspect leaves for caterpillars. Young larvae vulnerable to Thuricide. Treat with Monterey Garden Insect Spray if needed. |
||
 |
Gypsy Moth |
Inspect leaves for holes and larvae. Young larvae vulnerable to Thuricide or Bonide Capt. Jack’s Dead Bug. |
|
| Hemlock |  |
Inspect for cottony masses at base of needles and crawlers on twigs. Treat with Bon-Neem |
|
| Inkberry |  |
Inkberry Leafminer |
Check yellow traps for small gray flies and treat if needed with Monterey Garden Insect Spray. |
| Lilac |  |
Lilac Borer |
Inspect trunk and large branches for holes and fresh sawdust. Destroy by hand. |
| Honeylocust |  |
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 |
Inspect needles for dark green larvae. Handpick or treat with Monterey Garden Insect Spray if needed. |
| & Pine (Soft) |  |
White Pine Weevil |
Inspect leaders for holes, sap flow and tip curl. Prune out infested leaders. |
| Pine (Soft) |  |
Pine Bark Adelgid |
Inspect trunk and branches for white, cottony masses. Increase vigor, reduce stress. Treat with BioNeem. |
 |
Pine Spittlebug |
Inspect for spittle masses along branch tips. Ignore, remove by hand or treat with Eight. |
|
 |
White Pine Aphid |
Inspect tips for brown nymphs. Check for ladybugs and treat if needed with Neem Spray. |
|
| Willow |  |
Imported Willow Leaf Beetle |
Inspect for small bluish-black beetles. Treat with Bonide Capt. Jack’s Dead Bug if needed. |
