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Family Pleocomidae - Rain Beetles

Pleocoma australis - male Pleocoma linsleyi - male Pleocoma rubiginosa - male Pleocoma fimbriata -male - Pleocoma fimbriata - male Pleocoma blaisdelli - male Pleocoma hoppingi Fall 1906 - Pleocoma hoppingi - male Pleocoma staff  Schaufuss  1870  - Pleocoma staff - male Pleocoma rubiginosa rubiginosa Hovore 1972 - Pleocoma rubiginosa - female
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 Pleocomidae (Rain Beetles)
Synonyms and other taxonomic changes
until recently treated as a subfamily of the Scarabaeidae
Explanation of Names
Pleocomidae LeConte 1861
Common name refers to their habit of coming out after autumn/winter rains(1)
Numbers
Single genus with >30 spp., all in our area(1)
Range
w. coastal NA (WA-UT-Baja)(2)
Food
oak & conifer roots
Remarks
Females are flightless
Internet References
Works Cited
1.Generic Guide to New World Scarab Beetles (by Brett Ratcliffe and Mary Liz Jameson)
2.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.