Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Cucujoidea » Cucujid series » Silvanid Flat Bark Beetles (Silvanidae) » Silvaninae » Ahasverus » Foreign Grain Beetle (Ahasverus advena)

Species Ahasverus advena - Foreign Grain Beetle

Ahasverus sp. - Ahasverus advena Foreign Grain Beetle - Ahasverus advena Cryptophagidae ??? - Ahasverus advena Silvanidae - Ahasverus advena Silvanidae - Ahasverus advena Beetle - Ahasverus advena Tiny beetle - Ahasverus advena Ahasverus advena
Classification
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)
Identification
"Note the acuminate last antennomere." (comm. Michael C. Thomas, 2014)

Det. M. C. Thomas, 2014
Range
e US to CA, cosmopolitan - Map (2)(3)
Habitat
common in homes (esp. newly built) and grain storage facilities
Season
year round, but mostly May-Nov (3)
Food
Molds and fungi growing on damp grain, grain products, stored fruit, and other materials(4)(2)
Remarks
may be a nuisance in new homes, but do no actual harm
Internet References
Fact sheets: anon. (2018)(5) | anon. (2021)(1) |
Works Cited
1.Iowa insect information notes
2.The flat bark beetles (Coleoptera, Silvanidae, Cucujidae, Laemophloeidae) of Atlantic Canada
C.G. Majka. 2008. ZooKeys 2: 221-238.
3.Global Biodiversity Information Facility (GBIF)
4.Beetles associated with stored products in Canada: An identification guide
Bousquet Y. 1990. Research Branch Agriculture Canada, Publication 1837.
5.University of Minnesota Extension
Contributed by Will Chatfield-Taylor on 10 October, 2008 - 6:16pm
Additional contributions by Beatriz Moisset, Mike Quinn, v belov
Last updated 28 June, 2023 - 3:36pm

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