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Species Ahasverus advena - Foreign Grain Beetle

Tiny beetles - Ahasverus advena Silvanidae, dorsal - Ahasverus advena Ahasverus sp. - Ahasverus advena Silvanidae - Ahasverus advena Silvanid - Ahasverus advena Silvanid - Ahasverus advena Grain Beetle - Ahasverus advena ID? - Ahasverus advena
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 Cucujiformia)
Superfamily Cucujoidea (Sap, Bark and Fungus Beetles)
No Taxon (Cucujid series)
Family Silvanidae (Silvanid Flat Bark Beetles)
Subfamily Silvaninae
Genus Ahasverus
Species advena (Foreign Grain Beetle)
Other Common Names
FGB, New House Bug, Plaster Beetle
Explanation of Names
Ahasverus advena (Waltl 1834)

Det. M. C. Thomas, 2014
e US to CA (BG data), cosmopolitan(1)
common in homes (esp. newly built) and grain storage facilities
mostly: Jun-Sept (BG data)
Molds and fungi growing on damp grain, grain products, stored fruit, and other materials(2)(1)
may be a nuisance in new homes, but do no actual harm
Internet References