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

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

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Species Ahasverus advena - Foreign Grain Beetle

Tiny beetles - Ahasverus advena Ahasverus advena (Waltl) - Ahasverus advena Silvanidae - Ahasverus advena Beetle - Ahasverus advena Tiny beetle - Ahasverus advena Ahasverus advena ID? - Ahasverus advena Foreign Grain Beetle - Ahasverus advena
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Cucujoidea
No Taxon (Cucujid series)
Family Silvanidae (Silvanid Flat Bark Beetles)
Subfamily Silvaninae
Genus Ahasverus
Species advena (Foreign Grain Beetle)
Other Common Names
New House Beetle (1)
Explanation of Names
Ahasverus advena (Waltl 1834)
"Note the acuminate last antennomere." (comm. Michael C. Thomas, 2014)

Det. M. C. Thomas, 2014
e US to CA, cosmopolitan - Map (2)(3)
common in homes (esp. newly built) and grain storage facilities
year round, but mostly May-Nov (3)
Molds and fungi growing on damp grain, grain products, stored fruit, and other materials(4)(2)
may be a nuisance in new homes, but do no actual harm
Internet References
Fact sheets: anon. (2018)(5) | anon. (2021)(1) |