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Genus Sphaeridium

Cow dung Hydrophilidae - Sphaeridium scarabaeoides Water Scavenger Beetle? - Sphaeridium scarabaeoides 9019575 Sphaeridium - Sphaeridium bipustulatum beetle in wet cow dung - Sphaeridium DelPuerto-0BG.J.1967.01 - Sphaeridium scarabaeoides DelPuerto-0BG.J.1967.01 - Sphaeridium scarabaeoides Sphaeridium ? - Sphaeridium Something in Sphaeridiinae? - Sphaeridium
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
Genus Sphaeridium
Explanation of Names
Sphaeridium Fabricius 1775
4 spp. in our area, all adventive(1)
Key to Palaearctic species by Berge Henegouwen (1989) includes all Nearctic species (S. substriatum is listed in the key but not found in North America)
native to the Palaearctic, now widespread in NA(1)
decaying organic material, esp. fresh mammal droppings(1)
Internet References
van Berge Henegouwen, A. 1989. Sphaeridium marginatum reinstated as a species distinct from S. bipustulatum (Coleoptera: Hydrophilidae). Entomologische berichten 49: 168-170. Link to PDF
Works Cited
1.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.