Pest Control for Late April to Early 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 Malathion if needed. |
|
|
Cherry |
 |
Remove tents and larvae by hand or treat with Bonide Capt. Jack’s Dead Bug. |
|
| 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 Bonide Thuricide or Monterey Garden Insect Spray. |
| Fir |  |
Inspect for white nymphs on needles. Needles often bent. Treat with Organica Neem if needed. |
|
| Hardwoods |  |
Inspect leaves for holes and looper larvae. Young larvae vulnerable to Thuricide or Bonide Capt. Jack’s Dead Bug. |
|
 |
Gypsy Moth |
Inspect leaves for holes and larvae. Young larvae vulnerable to Thuricide or Monterey Garden Insect Spray. |
|
| Hemlock |  |
Inspect for cottony masses at base of needles and crawlers on twigs. Most vulnerable/treat with Pointer Tree Injection |
|
| Inkberry |  |
Inkberry Leafminer |
Check yellow trap for small gray flies and treat if needed with Bonide Borer-Miner Killer. |
|
Lilac |
 |
Lilac Borer |
Inspect trunk and large branches for holes and fresh sawdust. Destroy by hand or treat with beneficial nematodes |
| Maple |  |
Pear Thrips |
Inspect leaves for tattered, scorched or chlorotic patches and yellow nymphs beneath. Treatment not recommended. |
|
Pine (Hard) |
 |
European Pine Sawfly |
Inspect needles for dark green larvae. Handpick or treat with Monterery Garden Insect Spray if needed. |
 |
White Pine Weevil |
Inspect leaders for holes, sap flow and tip curl. Prune out infested leaders. |
|
|
Pine (Soft) & Pine (Hard) Spruce |
|||
|
Pine (Soft) |
 |
Pine Bark Adelgid |
Inspect trunk and branches for white, cottony masses. Increase vigor, reduce stress. Treat with Earth Tone Insecticidal Soap. |
 |
Pine Spittlebug |
Inspect for spittle masses along branch tips. Ignore, remove by hand or treat with Sevin. |
|
 |
White Pine Aphid |
Inspect tips for brown nymphs. Check for ladybugs and treat if needed with Bon-Neem. |
|
|
Viburnum |
 |
Snowball Aphid |
Inspect tip leaves for nymphs. Check for ladybugs and treat if needed with Malathion. |
| Turf |  |
Hyperodes Weevil |
Sample for adults and treat if needed with Bayer Advanced Powerforce. |
