Category: Landscape Plant Pests

Resource Category Topic Type
Aphids [fact sheet]
Aphids, or plant lice, feed on most vegetable crops, many house plants and ornamentals grown in New Hampshire, as well as numerous weeds and wild plan...
Fruit & Vegetable Crops, Agriculture & Gardens, Pesticide Safety Education, Yard & Garden Agriculture & Gardens
Beetles on Ornamental Plants [fact sheet]
In late spring and early summer, there are several species of adult beetles in the home landscapes of New Hampshire, attacking prized ornamental trees...
Landscape Installation & Maintenance, Agriculture & Gardens Agriculture & Gardens
Beneficial Insects in New Hampshire Farms & Gardens [fact sheet]
Although there are plenty of references on insect pests, there are relatively few references that feature beneficial insects. I wrote this publication...
Integrated Pest Management (IPM), Agriculture & Gardens, Yard & Garden Agriculture & Gardens Fact Sheet
Best Practices for Submitting Your Insect for Identification
There are between 10 and 20 thousand species of insects in New Hampshire, so identifying an insect, spider or tick is often the crucial first step tow...
Insect Identification Services, Agriculture & Gardens
Birch Leafminer [fact sheet]
The birch leaf miner (Fenusa pusilla) feeds primarily upon three host plants: gray birch, paper birch, and European white birch. This European native ...
Pesticide Safety Education, Agriculture & Gardens Agriculture & Gardens
Bronze Birch Borer [fact sheet]
The bronze birch borer (Agrilus anxius) is found throughout the birch range in the U.S. and Canada. It attacks and breeds in paper birch, yellow birch...
Pesticide Safety Education, Agriculture & Gardens Agriculture & Gardens
Cankerworm [fact sheet]
The spring cankerworm (Paleacrita vernata) and the fall cankerworm (Alsophila pometaria) are native pests to the deciduous forest, shade, and ornament...
Fruit & Vegetable Crops, Agriculture & Gardens, Pesticide Safety Education Agriculture & Gardens
Dutch Elm Disease [fact sheet]
Dutch elm disease is caused by two closely related fungi, Ophiostoma ulmi or O. novo-ulmi. The fungi are spread from tree to tree by elm bark beetles ...
Pesticide Safety Education, Agriculture & Gardens Agriculture & Gardens
Fall webworm & Eastern Tent Caterpillar [fact sheet]
The fall webworm (Hyphantria cunea) and the Eastern tent caterpillar (Malacosoma americanum) feed on fruit, shade, and woodland trees. They are of lit...
Pesticide Safety Education, Agriculture & Gardens, Yard & Garden Agriculture & Gardens
Fire Blight [fact sheet]
Fire blight, caused by the bacterium Erwinia amylovora, is found to some extent almost every year in New Hampshire and other major apple and pear grow...
Fruit & Vegetable Crops, Agriculture & Gardens, Pesticide Safety Education, Yard & Garden Agriculture & Gardens