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Family Pleocomidae - Rain Beetles

Pleocoma Carinata - Pleocoma carinata - male Pleocoma tularensis - male Pleocoma rubiginosa - male Pleocoma hovorei  - Pleocoma hovorei - male Pleocoma shastensis - female Scott's Valley-4 - Pleocoma conjungens Scott's Valley-4 - Pleocoma conjungens Pleocoma octopagina - male - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
Superfamily Scarabaeoidea
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.