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Species Orthoporus ornatus

Desert Millipede - Orthoporus ornatus Desert Millipede - Orthoporus ornatus Millipede? - Orthoporus ornatus Unknown - Orthoporus ornatus Dilopoda - Orthoporus ornatus a very beautiful millipede - Orthoporus ornatus Desert millipede, Orthoporus ornatus - Orthoporus ornatus Millipede - Orthoporus ornatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Spirostreptida
Family Spirostreptidae
Genus Orthoporus
Species ornatus (Orthoporus ornatus)
Other Common Names
Desert Millipede
Explanation of Names
Orthoporus ornatus (Girard 1853)
Up to 10 cm
sw.US (AZ to w. half of Texas) through Mexico to n. San Luis Potos(1)
nocturnal but may be seen in the morning following rains
Life Cycle
known to mass aggregate; "marching armies of millipedes" reported crossing roads near Big Bend NP, TX
Print References
Wooten R.C., Crawford C.S. (1975) Food, ingestion rates and assimilation in the desert millipede Orthoporus ornatus (Girard) (Diplopoda). Oecologia 20: 231‒236. (Full text)
Wooten R.C., Crawford C.S., Riddle W.A. (1975) Behavioural thermoregulation of Orthoporus ornatus (Diplopoda: Spirostreptidae) in three desert habitats. Zool. J. Linn. Soc. 57: 59–74.
Works Cited
1.Checklist of the millipeds of North and Middle America
Richard L. Hoffman. 1999. Virginia Museum of Natural History Special Publications.