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

Discussion of 2018 gathering

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


Order Spirostreptida

Millipede - Cambala annulata Desert Millipede - Orthoporus ornatus? - Orthoporus Desert millipede, Orthoporus ornatus - Orthoporus ornatus Millipede? - Cambala Cave Millipede - Cambala minor Millipede found near the US-Mexico border - Orthoporus Orthoporus sp. - O. ornatus or O. texicolens? - Orthoporus Mountaintop millipede - Orthoporus ornatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Spirostreptida
12 families worldwide
3 families in North America
Up to 28 cm
Large cylindrical millipedes found mainly in the tropics. There is only one pair of gonopods (sex organs). (1)
Snake-like body. Eyes usually present. Dorsal groove mainly absent except in some Cambalidae. Paranota absent. 30-90 segments.
This order includes the world's largest millipedes, approaching 28cm (2)
In the southwestern US millipedes of the genus Orthoporus often congregate in large numbers. Three species occur in states adjacent to Mexico. (1)
Internet References
Works Cited
1.Spiders and Their Kin: A Golden Guide from St. Martin's Press
Herbert W. Levi, Lorna R. Levi, Nicholas Strekalovsky. 2001. St. Martin's Press.
2.Centipedes and Millipedes, with an Emphasis on North American Fauna
Rowland M. Shelley. 1999. Emporia State University.