Sites

Forestry Images (Popularity: )
http://www.forestryimages.org/
Quality photographs of forest insects and disease organisms. Contains image search or browse by categories.

Dutch Elm Disease Information (Popularity: )
http://www.elmguard.com
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.

Brown Spruce Longhorn Beetle (Popularity: )
http://www.brown-spruce-longhorn-beetle.com
Brief account of this pest of spruce trees, its growth, and means of control.

Asian Longhorned Beetle (Popularity: )
http://www.asian-longhorned-beetle.com
Brief account of the introduction of this Chinese insect into North America, and with a list of the affected species.

Forest and Shade Tree Pathology (Popularity: )
http://www.forestpathology.org/
Online textbook, news and upcoming meetings of forest pathology.

Gypsy Moth (Popularity: )
http://www.gypsy-moth.com
A short account of this caterpillar pest of maples, oaks and elms.

Bugwood Network, The University of Georgia (Popularity: )
http://www.bugwood.org/
Extensive resource on forest insects and related topics.

Invasive and Exotic Species of North America (Popularity: )
http://www.invasivespecies.gov/
Provides extensive information on all kinds of invasive species in North America.