Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Family Cordulegastridae - Spiketails

Spiketail Nymph - Cordulegaster Delta-Spotted Spiketail - Cordulegaster diastatops - female Arrowhead Spiketail - Cordulegaster obliqua Delta-spotted Spiketail in New Brunswick - Cordulegaster diastatops - male Twin-spotted Spiketail larva - Cordulegaster maculata - male Cordulegaster? - Cordulegaster obliqua Twin-Spotted Spiketail - Cordulegaster maculata Brown spiketail - Cordulegaster bilineata
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Odonata (Dragonflies and Damselflies)
Suborder Anisoptera (Dragonflies)
Family Cordulegastridae (Spiketails)
Other Common Names
9 spp. of a single genus in our area(2)
almost entirely Holarctic (+adjacent montane parts of the Oriental Region); in our area, markedly more diverse in se. US(1)
Works Cited
1.Dragonflies of the World
Jill Silsby. 2001. Smithsonian Institution Press.
2.Dragonfly Society of the Americas. 2012. North American Odonata