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For the United States & Canada
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Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

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


Genus Orthoporus

Desert Millipede (Orthoporus ornatus)? - Orthoporus ornatus Desert Millipede - Orthoporus ornatus Millipede? - Orthoporus ornatus Millipede? - Orthoporus ornatus Unknown - Orthoporus ornatus Orthoporus ornatus? - Orthoporus Bright orange millipede - Orthoporus Orthoporus sp. - O. ornatus or O. texicolens? - Orthoporus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Spirostreptida
Family Spirostreptidae
Genus Orthoporus
Explanation of Names
Orthoporus Silvestri, 1897
Three species occur in states adjacent to Mexico. (1)
Scores of species are recognized, but only 4 are known to occur within the US. (Dr Rowland Shelley)
Orthoporus is a very large, speciose genus that ranges from Oklahoma & Arizona, USA, southward to Argentina; it also occurs on Caribbean Islands. (Dr Rowland Shelley)
In the southwestern US millipedes of the genus Orthoporus often congregate in large numbers. (1)
Print References
Silvestri, 1897. Viaggio del Dott. Alfredo Borelli nel Chaco Boliviano e nella Repubblica Argentana. IV. Chilopodi e Diplopodi Boll. Mus. Zool. Anat. Comp. Univ. Torino, 12 (283): 1-11.
Internet References
World Species List - Wikipedia
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.