Authoritative species lists of Odonata for the world and North America. Scans of living dragonflies and damselflies of western North America extremely useful for identification purposes.]
Slater Museum of Natural History: Dragonflies and Damselflies
http://www.pugetsound.edu/academics/academic-resources/slater-museum/biodiversity-resources/dragonflies/
Please note this link may take you away from royalbcmuseum.bc.ca
