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Species Oxidus gracilis - Greenhouse Millipede

Flat-backed Millipede - Oxidus gracilis Cent?? - Oxidus gracilis Millipede - Oxidus gracilis 9049728 millipedes - Oxidus gracilis Millipede - Oxidus gracilis caterpillars on siding - Oxidus gracilis Greenhouse Millipede - Lateral  - Oxidus gracilis Oxidus gracilis? - Oxidus gracilis
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Myriapoda (Myriapods)
Class Diplopoda (Millipedes)
Order Polydesmida (Flat-backed Millipedes)
Family Paradoxosomatidae
Genus Oxidus
Species gracilis (Greenhouse Millipede)
Other Common Names
Hothouse millipede, Short-flange millipede, Garden millipede
Explanation of Names
Oxidus gracilis (C.L. Koch 1847)
16‒21 mm
Body color chestnut to reddish black with amber-colored legs and paranota. Mid-body paranota are rather blunt and rounded (not extending past posterior segment margin), but increase in length and sharpness towards the tail. A transverse groove is present on each body segment, a trait shared with other Paradoxosomatids. (1)
Native to Asia, now cosmopolitan; in our area: e.NA, w.US
year round
Life Cycle
Lays clutches of 40‒150 eggs in all months of the year, reaches maturity in 5‒6 months(1)
See Also
Asiomorpha coarctata has sharper paranota, body a bit darker, and longer gonopods reaching 5th segment legs (short to 6th segment legs in O. gracilis) ‒ compare
Internet References
Fact sheet (Cook Is. Biodiversity Database) • Species page(2)
Works Cited
1.Millipedes: Keys and notes for the identification of the species
J. Gordon Blower. 1985. E.J. Brill/Dr. W. Backhuys.
2.British Myriapod & Isopod Group