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Upcoming Events

Discussion of 2018 gathering

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Cercyon quisquilius

Cercyon quisquilius Cercyon - Cercyon quisquilius beetle with mites - Cercyon quisquilius Water beetle (3) - Cercyon quisquilius Hydrophilid #9 - Cercyon quisquilius Beetle -? - Cercyon quisquilius Beetle - Cercyon quisquilius Small beetles at black light - Cercyon quisquilius
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 Staphyliniformia)
Superfamily Hydrophiloidea (Water Scavenger and Clown Beetles)
Family Hydrophilidae (Water Scavenger Beetles)
Subfamily Sphaeridiinae
Tribe Megasternini
Genus Cercyon
No Taxon (Subgenus Cercyon)
Species quisquilius (Cercyon quisquilius)
Synonyms and other taxonomic changes
Cercyon quisquilius (Linnaeus 1761)
Orig. Comb: Scarabaeus quisquilius Linnaeus 1761
Explanation of Names
quisquilius - Latin for 'related to refuse/trash' (1)
1.9-2.6 mm (BG data)
Widespread from so. Canada to n. Mexico (2)
Native to (and common across) the Palaearctic, introduced to N. Amer. ca. 1920
Under decaying plant matter and in excrements, esp. those of herbivorous mammals (3)(4)
Apr-Aug (BG data)
Works Cited
1.Composition of scientific words
Brown R.W. 1956. Smithsonian Institution Press, Washington, DC. 882 pp.
2.Revision of the subfamily Sphaeridiinae of America north of Mexico (Coleoptera: Hydrophilidae)
Smetana A. 1978. Mem. Ent. Soc. Canada 105: 1–292.
3.Coleoptera Poloniae
4.Occurrence of introduced species of the genus Cercyon (Coleoptera: Hydrophilidae) in the Neotropical Region
M. Fikáček. 2009. Rev. Soc. Entomol. Argent. 68: 351-357.