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BugGuide Gathering
Pack Forest
Washington State
July 10-12, 2009
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Photos from the 2008 gathering in Tennessee
 
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Family Scirtidae - Marsh Beetles

beetle - Cyphon Scirtid sp.? - Cyphon padi Marsh Beetle - Cyphon  tiny brown beetles - Cyphon Coleoptera - Scirtes orbiculatus hairy little beetle - Sarabandus robustus Marsh beetle (Scirtid) - Cyphon Marsh beetle - Scirtes tibialis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Longhorn, Leaf and Snout Beetles)
Superfamily Scirtoidea (Plate-thigh and Marsh Beetles)
Family Scirtidae (Marsh Beetles)
Synonyms and other taxonomic changes
Species of this family are badly in need of revision (1)
Numbers
50 spp. in eight genera north of Mexico, with undoubtedly numerous undescribed species, especially in the genus Cyphon. (1)
Size
2-5 mm (2)
Identification
"The multisegmented antennae of the larvae separate this group not only from all other beetle families, but from all other holometabolous insects as well." (1)
Range
Most spp. occur in the eastern U.S. (2)
Habitat
Larvae are aquatic and frequent both stagnant and flowing water (1)
Food
Larvae feed on micro-organisms (2)
Remarks
Adults come to lights (2)
Print References
American Beetles, Vol. 2, Chapter 37 (1)
Internet References
Images of 12 species are shown in a downloadable pdf poster, "Scirtids of the Great Smoky Mountains National Park,"
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
By Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.)
2.Peterson Field Guides: Beetles
By Richard E. White