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Genus Cercyon

Cercyon unipunctatus Water Scavenger Beetle - Cercyon connivens another seaweed beetle - Cercyon fimbriatus Leaf litter  beetle - Cercyon adumbratus - male Cercyon luniger Mannerheim - Cercyon luniger Water Scavenger Beetle - Cercyon laminatus Water Scavenger Beetle - Cercyon laminatus IMG_1150 - Cercyon
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)
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
Numbers
~40 spp. in our area, many introduced from the Palaearctic(1), >250 spp. worldwide(2)
Identification
keys in(3)
Habitat
Many spp. found in dung, carrion, compost, fungi, and leaf litter
Remarks
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
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.