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

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

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Species Gnathoncus rotundatus

Gnathoncus rotundatus (Kugelann) - Gnathoncus rotundatus Gnathoncus rotundatus (Kugelann) - Gnathoncus rotundatus
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 Histeridae (Clown Beetles)
Subfamily Saprininae
Genus Gnathoncus
Species rotundatus (Gnathoncus rotundatus)
Synonyms and other taxonomic changes
Gnathoncus nanus (Scriba 1790), Gnathoncus ovatulus Casey 1916
Explanation of Names
Gnathoncus rotundatus (Kugelann 1792)
Size
1.8-3.0 mm(1)
Range
considered cosmopolitan; native to, and widespread in the Palaearctic, adventive and widespread in NA (transcontinental) & many places worldwide(1)(2)
Habitat
synanthropic; associated with bird nests/roosts(3), especially in tree holes, but regularly occurs outside nests on various kinds of decomposing organic matter in forests and farm areas(4)(1); within the native range, also in mammal burrows(2)
Remarks
earliest NA record: 1844(3)
Internet References
Species pages: Tishechkin (2007)(4) | Ohara (2003)(5)