A collection of fact sheets for common insects and diseases of New Hampshire's trees and the forests of the Northeast. Insects and diseases can be searched in four different ways. Insects or diseases (both pests) can be identified by photograph under the Forest Pest category. Pests can be searched by tree species under the Forest Pest Host category. Pests can also be searched by the part of tree affected under the Tree Type and Part Affected category. Lastly, pest problems can be searched using a Keyword Search.