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For Insects, Spiders & Their Kin
For the United States & Canada
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Fall Fund Drive


Order Polyxenida - Bristly Millipedes

Mother-lode of tufted millipedes - Polyxenus lagurus Unidentified Insect. - Polyxenus ID? - Polyxenus lagurus any idea what this is? - Polyxenus Polyxenid - Polyxenus collembola-like but with 4 or 5 leg pairs - Polyxenus Polyxenus lagurus? - Polyxenus Polyxenus? - Polyxenus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Polyxenida (Bristly Millipedes)
Other Common Names
Pincushion millipedes, bristle millipedes, fuzzy millipedes
Synonyms and other taxonomic changes
Ancyrotricha Cook, 1895
4 families worldwide, 2 of which are known from our area. 8 species known in the US over 3 genera. (1)
Up to 4mm
Unique body shape: soft-bodied with distinctive tufts of setae. Never more than 17 leg pairs. 1-3 small ocelli.
Worldwide. In Western Hemisphere occurs from southern Canada to Brazil. (2)
Polyxenidae, represented by Polyxenus, occurs throughout the United States (6 spp.). A second family, Lophoproctidae, has been recorded in the Florida Keys and Mexico and may occur in southern Texas (at least 2 spp.). (1)
See Also
May be confused with dermestid beetle larvae
Print References
Eisner, T., Eisner, M. and Deyrup, M. 1996. Millipede defense: use of detachable bristles to entangle ants. Proceedings of the National Academy of Science 93: 10848-19851. (PDF)
Works Cited
1.Checklist of the millipeds of North and Middle America
Richard L. Hoffman. 1999. Virginia Museum of Natural History Special Publications.
2.Centipedes and Millipedes, with an Emphasis on North American Fauna
Rowland M. Shelley. 1999. Emporia State University.