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Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

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

Previous events


Species Sphaeridium lunatum

Dung Beetle - Sphaeridium lunatum - female Dung Beetle - Sphaeridium lunatum hister beetle? - Sphaeridium lunatum
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
Species lunatum (Sphaeridium lunatum)
Explanation of Names
Sphaeridium lunatum Fabricius, 1792
4.3-7.0 mm
Most similar to S. scarabaeoides. See Berge Henegouwen (1989).
widely distributed in US and southern Canada, also found in Mexico; native to Palaearctic
Introduced species
Print References
Berge Henegouwen, A. van. 1989. Sphaeridium marginatum reinstated as a species distinct from S. bipustulatum (Coleoptera: Hydrophilidae). Entomologische berichten 49: 168-170. Link to PDF