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

Collection of forest and tree health publications and fact sheets, primarily for midcontinent North America.

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

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.

Information by host plant on diseases and damages affecting trees and perennial flowers from the University of Illinois Extension.

Information sheets on forest pests management (many in PDF format) available from the Colorado State University Cooperative Extension.

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

Extensive resource on forest insects and related topics.

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

Task force focusing on the pathogen causing Sudden Oak Death disease through research, management, education and public policy.