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Family Orsodacnidae - Ravenous Leaf Beetles

Mystery Chrysomelid? - Orsodacne atra Ravenous Leaf Beetle - Orsodacne atra Meloidae sp ? - Orsodacne atra Fire-Colored Beetle ? - Orsodacne atra Mating Beetles for ID - Orsodacne atra - male - female Ravenous Leaf Beetle? - Orsodacne atra Ravenous LB - Aulacoscelis possibly Orsodacne atra - Orsodacne atra
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Orsodacnidae (Ravenous Leaf Beetles)
Other Common Names
Orsodacnid Leaf Beetles
Synonyms and other taxonomic changes
Sometimes treated as a subfamily of the Chrysomelidae
Explanation of Names
Orsodacnidae C.G. Thomson 1859
Numbers
the smallest family of Chrysomeloidea, with 4 spp. in 3 genera in our area, 40 spp. in 3 genera total, arranged into 2 subfamilies(1)(2)
Identification
All tibiae with 2 apical spurs, front of head without X-shaped grooves, head lacking temples, evenly narrowed from behind eyes to neck; apex of mandible unidentate or bidentate, mesonotum without stridulatory file. Pronotum without sensorial setae.
Range
Orsodacne is Holarctic, the other 2 genera are Neotropical ranging into sw. US (TX-CA)(1)
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.Order Coleoptera Linnaeus, 1758. In: Zhang Z.-Q. (ed.) Animal biodiversity: An outline of higher-level classification...
Ślipiński S.A., Leschen R.A.B., Lawrence J.F. 2011. Zootaxa 3148: 203–208.