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

Species Hylotrupes bajulus - Old House Borer

Hylotrupes bajulus (Linnaeus) - Hylotrupes bajulus Hylotrupes bajulus FB - Hylotrupes bajulus - female FB - Hylotrupes bajulus - female
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 Chrysomeloidea (Long-horned and Leaf Beetles)
Family Cerambycidae (Long-horned Beetles)
Subfamily Cerambycinae
Tribe Hylotrupini
Genus Hylotrupes
Species bajulus (Old House Borer)
Synonyms and other taxonomic changes
Hylotrupes bajulus (Linnaeus)
Orig. Comb: Cerambyx bajulus Linnaeus 1758
adult 8-20 mm(1), mature larva ~30 mm(2)
native to, and widespread across w. Palaearctic to Siberia; spread globally by trade and established in parts of the New World (incl. e. NA), Australia, New Zealand, S. Africa(2)(3)
outside Eurasia found almost always in household situations; in w. Europe and S. Africa, in tree stumps and dead branches. In the US, found in lumber stored outdoors, but not in natural habitats(2)
Life Cycle
life cycle takes 2-10 yrs, in structural wood usually 3–5 yrs; adult females live ~10 days, males ~15 days(2)
Internet References
Works Cited
1.Field Guide to Northeastern Longhorned Beetles (Coleoptera: Cerambycidae)
Douglas Yanega. 1996. Illinois Natural History Survey.
2.Handbook of urban insects and arachnids: A handbook of urban entomology
Robinson W.H. 2005. Cambridge University Press.
3.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
4.Illustrated Key to the Longhorned Woodboring Beetles of the Eastern United States
Steven W. Lingafelter. 2008. Coleopterists Society.