Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
[cite:432086]
Freshly updated checklist (names only) recommended as the standard taxonomy reference source for the Guide.
http://www.pugetsound.edu/academics/academic-resources/slater-museum/biodiversity-resources/dragonflies/north-american-odonata/

Other Common Names doesn't work.
This link updates the links given in the Other Common Names section of the Info page for Calopteryx (those links should be removed).