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](/images/garden/pest/birchleafminer.jpg) |
Birch Leafminer
|
Inspect sticky traps for black adults. Treat with Malathion if needed.
|
Cherry
|
![Eastern Tent Caterpillar](/images/garden/pest/et_caterpillar.jpg) |
Eastern Tent Caterpillar
|
Remove tents and larvae by hand or treat with Bonide Capt. Jack’s Dead Bug.
|
Crabapple |
Dogwood
|
![Dogwood Borer](/images/garden/pest/dogwood_borer.jpg) |
Dogwood Borer
|
Inspect trunk and large branches for holes and fresh sawdust. Destroy by hand or treat with beneficial nematodes.
|
Euonymus (deciduous)
|
![Euonymus caterpillar](/images/garden/pest/EuonymusCaterpillar.jpg) |
Euonymus Caterpillar
|
Inspect tips for yellow larvae and silk. Young larvae vulnerable to Bonide Thuricide or Monterey Garden Insect Spray.
|
Fir |
![Cooley Spruce Gall Adelgid](/images/garden/pest/coolyspruce.jpg) |
Cooley Spruce Gall Adelgid
|
Inspect for white nymphs on needles. Needles often bent. Treat with Organica Neem if needed.
|
Hardwoods |
![Cankerworms](/images/garden/pest/cankerworm3.jpg) |
Cankerworms
|
Inspect leaves for holes and looper larvae. Young larvae vulnerable to Thuricide or Bonide Capt. Jack’s Dead Bug.
|
|
![Gypsy Moth](/images/garden/pest/gypsymoth.jpg) |
Gypsy Moth
|
Inspect leaves for holes and larvae. Young larvae vulnerable to Thuricide or Monterey Garden Insect Spray.
|
Hemlock |
![Hemlock Woolly Adelgid](/images/garden/pest/hemlock_woody_adelgid1.gif) |
Hemlock Woolly Adelgid
|
Inspect for cottony masses at base of needles and crawlers on twigs. Most vulnerable/treat with Pointer Tree Injection
|
Inkberry |
![Inkberry Leafminer](/images/garden/pest/inkberryleafminer.gif) |
Inkberry Leafminer
|
Check yellow trap for small gray flies and treat if needed with Bonide Borer-Miner Killer.
|
Lilac
|
![Lilac Borer](/images/garden/pest/lilacborer.jpg) |
Lilac Borer
|
Inspect trunk and large branches for holes and fresh sawdust. Destroy by hand or treat with beneficial nematodes
|
Maple |
![Pear Thrips](/images/garden/pest/pearthrips.jpg) |
Pear Thrips
|
Inspect leaves for tattered, scorched or chlorotic patches and yellow nymphs beneath. Treatment not recommended.
|
Pine (Hard)
|
![European Pine Sawfly](/images/garden/pest/eurosawfly.jpg) |
European Pine Sawfly
|
Inspect needles for dark green larvae. Handpick or treat with Monterery Garden Insect Spray if needed.
|
![White Pine Weevil](/images/garden/pest/whitepineweevil.jpg) |
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](/images/garden/pest/parkpine.gif) |
Pine Bark Adelgid
|
Inspect trunk and branches for white, cottony masses. Increase vigor, reduce stress. Treat with Earth Tone Insecticidal Soap.
|
![Pine Spittlebug](/images/garden/pest/pinespittle.jpg) |
Pine Spittlebug
|
Inspect for spittle masses along branch tips. Ignore, remove by hand or treat with Sevin.
|
![White Pine Aphid](/images/garden/pest/whitepineaphid.jpg) |
White Pine Aphid
|
Inspect tips for brown nymphs. Check for ladybugs and treat if needed with Bon-Neem.
|
Viburnum
|
![Snowball Aphid](/images/garden/pest/snoaphid.jpg) |
Snowball Aphid
|
Inspect tip leaves for nymphs. Check for ladybugs and treat if needed with Malathion.
|
Turf |
![Hyperodes Weevil](/images/garden/pest/HyperodesWeevil.jpg) |
Hyperodes Weevil
|
Sample for adults and treat if needed with Bayer Advanced Powerforce.
|