Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Ptilinus ruficornis

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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)
Superfamily Bostrichoidea (Carpet, Powder-post and Death-watch Beetles)
Family Ptinidae (Death-watch and Spider Beetles)
Subfamily Ptilininae
Genus Ptilinus (Death-watch Beetle)
Species ruficornis (Ptilinus ruficornis)
Explanation of Names
Ptilinus ruficornis Say 1823
Size
2.8–4.8 mm(1)
Range
e. NA to AB (NS-AB to PA-WV-AL-KS)(2)(3)
Habitat
Large, dry portions of dead wood of broad-leaved trees (beech, maple, oak, sycamore...)(1)
Season
adult emerge Jun-Aug(3)
Life Cycle
univoltine; eggs generally laid in Aug(4)
Remarks
common pest of woodwork in buildings(1)
most frequently encountered wood-feeding anobiid in ne. NA(3)
Works Cited
1.Handbook of urban insects and arachnids: A handbook of urban entomology
Robinson W.H. 2005. Cambridge University Press.
2.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
3.A Catalog of the Coleoptera of America North of Mexico. Family: Anobiidae.
White, R.E. 1982. USDA-ARS, Washington, DC. xi + 59 pp.
4.Death-watch and spider beetles of Wisconsin—Coleoptera: Ptinidae
Arango, R.A. and D.K. Young. 2012. General Technical Report FPL-GTR-209. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory.