Agriculture & Gardens

    These maps are the results of 27 years of surveying by Dr. Alan Eaton for Blacklegged ticks (Ixodes scapularis). Black legged ticks occur in all t...

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 ...

A number of sawfly species are important defoliating pests of ornamental trees in New Hampshire. The damage is done by the larvae which are caterpilla...

There are two families of ticks, the Ixodidae (hard ticks) and Argasidae (soft ticks). Those of importance to hikers, campers, and pet owners are in t...

The fall webworm (Hyphantria cunea) and the Eastern tent caterpillar (Malacosoma americanum) feed on fruit, shade, and woodland trees. They are of lit...

In appearance, scales in general show little resemblance to typical insects. They are well protected by the waxy, almost impermeable shell they live u...

Most spruce trees are damaged by one of two species of adelgids: the Eastern spruce gall adelgid (Adelges abietis) and the Cooley spruce gall adelgid ...

Powdery mildew occurs most commonly on the cool-season grasses such as bluegrasses and fescues, especially in shaded areas or areas with poor air circ...

Sclerotinia dollar spot is a fungal disease that affects most of the coolseason grasses such as bluegrass, ryegrass, fescue and bentgrass.<br /> <br ...

The birch leaf miner (Fenusa pusilla) feeds primarily upon three host plants: gray birch, paper birch, and European white birch. This European native ...