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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


Genus Cercyon

Cercyon haemorrhoidalis Hydrophilidae, dorsal - Cercyon praetextatus Water Scavenger Beetle - Cercyon praetextatus Hydrophilidae - Cercyon Cercyon fimbriatus Beetle - Cercyon Intertidal scarab - Cercyon Nice little Hdrophilid.... - 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
Explanation of Names
Cercyon Leach 1817
Cercyon: in Greek mythology, the son of Poseidon
~40 spp. in our area, many introduced from the Palaearctic(1), >250 spp. worldwide(2)
keys in(3)
Many spp. found in dung, carrion, compost, fungi, and leaf litter
readily spread by commerce: 16 spp. have been introduced by man out of their native range (mostly Palaearctic)(2); adults of many spp. come to lights
Print 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.Occurrence of introduced species of the genus Cercyon (Coleoptera: Hydrophilidae) in the Neotropical Region
M. Fikáček. 2009. Rev. Soc. Entomol. Argent. 68: 351-357.
3.Revision of the subfamily Sphaeridiinae of America north of Mexico (Coleoptera: Hydrophilidae)
Smetana A. 1978. Mem. Ent. Soc. Canada 105: 1–292.
4.A review of the Cercyon Leach (Coleoptera, Hydrophilidae, Sphaeridiinae) of the Greater Antilles
Emmanuel Arriaga-Varela, Matthias Seidel, Albert Deler-Hernández, Viktor Senderov, Martin Fikácek. 2017. ZooKeys 681: 39-93.