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Species Atholus bimaculatus

Atholus bimaculatus? - Atholus bimaculatus

Classification

Kingdom Animalia (Animals)

Phylum Arthropoda (Arthropods)

Subphylum Hexapoda (Hexapods)

Class Insecta (Insects)

Order Coleoptera (Beetles)

Suborder Polyphaga

No Taxon (Series Staphyliniformia)

Superfamily Histeroidea

Family Histeridae (Clown Beetles)

Subfamily Histerinae

Tribe Histerini

Genus Atholus

Species bimaculatus (Atholus bimaculatus)

Other Common Names

Spotted Clown Beetle

Explanation of Names

Atholus bimaculatus (Linnaeus 1758)

Size

4.0-4.8 mm (1)

Identification

black elytron with a large lateroposterior reddish area and a depression near each anterior angle of the pronotum (1)

Det. Jeff Gruber, 2007

Range

adventive across the US & so. CAN - Map (1)(2)(3)(4), native to, and widespread across the Palaearctic, now almost cosmopolitan

Habitat

dung/feces & various decaying plant matter(2)(4)

Remarks

earliest record in our area: 1825(2)

Internet References

Species page (Ohara 2009)

Works Cited

1.	The insects and arachnids of Canada. Part 24. Coleoptera Histeridae Bousquet Y., Laplante S. 2006. NRC Research press, Ottawa. 485 pp.

2.	Contributions to the knowledge of Atlantic Canadian Histeridae (Coleoptera) C.G. Majka. 2008. ZooKeys 2: 189-202.

3.	Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.

4.	Polish Biodiversity Information Network • Coleoptera Poloniae

Contributed by Jeff Gruber on 4 December, 2007 - 7:14pm
Additional contributions by Beatriz Moisset, Mike Quinn, v belov
Last updated 6 November, 2025 - 12:25pm

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