Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Fall Fund Drive


Species Ahasverus advena - Foreign Grain Beetle

Bark Root Flat Something - Ahasverus advena Cryptophagidae ??? - Ahasverus advena Beetle on a piece of fruit - Ahasverus advena Silvanidae - Ahasverus advena Silvanidae - Ahasverus advena Silvanidae - Ahasverus advena Small Silvanid or Cucujid? - Ahasverus advena Beetle - 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
New House Bug, Plaster Beetle
Explanation of Names
Ahasverus advena (Waltl 1834)
common in homes (esp. newly built) and grain storage facilities
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