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Family Diphyllostomatidae - False Stag Beetles

Diphyllostoma fimbriata - Diphyllostoma fimbriatum - male - female Diphyllostoma fimbriata - Diphyllostoma fimbriatum - female Diphyllostoma fimbriata - Diphyllostoma fimbriatum - male Diphyllostoma fimbriatum
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)
Superfamily Scarabaeoidea (Scarab, Stag and Bess Beetles)
Family Diphyllostomatidae (False Stag Beetles)
Explanation of Names
Diphyllostomatidae Holloway 1972
Numbers
a single genus with 3 spp., all in our area(1)
Size
5-9 mm(1)
Identification
Antennae with fewer than 11 antennomeres; antennomeres of antennal club not capable of being tightly closed together; abdomen with 7 ventrites, first divided by metacoxa; head strongly constricted behind eyes; protibia lacking apical spurs; trochantin exposed; mesocoxae conical and projecting.
Range
precinctive to California(1)
Print References
Fall H.C. (1901) Two new species of Lucanidae from California. Canadian Entomologist 33: 289-292.
Fall H.C. (1932) Diphyllostoma: a third species. Pan-Pacific Entomologist 8: 159-161.
Internet References
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.Generic Guide to New World Scarab Beetles (by Brett Ratcliffe and Mary Liz Jameson)