Asian Longhorned Beetle.

Brief account of the introduction of this Chinese insect into North America, and with a list of the affected species.

Brown Spruce Longhorn Beetle.

Brief account of this pest of spruce trees, its growth, and means of control.

Bugwood Network, The University of Georgia

Extensive resource on forest insects and related topics.

Dutch Elm Disease Information

This site provides information about Dutch elm disease and ELMguard - a new experimental preventative treatment being developed at the University of Toronto, Faculty of Forestry.

Exotic Forest Pest Information System for North America.

Database containing information on exotic insects, mites and pathogens with potential to cause significant damage to North American forest resources.

Forest and Shade Tree Pathology.

Online textbook, news and upcoming meetings of forest pathology.

Forestry Images.

Quality photographs of forest insects and disease organisms. Contains image search or browse by categories.

Gypsy Moth

A short account of this caterpillar pest of maples, oaks and elms.

Invasive and Exotic Species of North America

Provides extensive information on all kinds of invasive species in North America.

Tent Caterpillars

The Eastern tent caterpillar affects black cherry trees and other fruit and shade trees. The forest tent caterpillar infests hardwood trees such as sugar maple and oak.