Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Family Trogossitidae - Bark-gnawing Beetles

Beautiful Green - A Wow Moment! - Temnoscheila acuta Tenebroides semicylindricus (Horn) - Tenebroides semicylindricus Bark-gnawing Beetle (Trogossitid) ??? - Temnoscheila virescens trogossitid  - Calitys scabra Beetle Larva? - Tenebroides Tenebroides #1 - Tenebroides americanus Bark-Gnawing Beetle - Tenebroides laticollis Tenebroides
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 Cleroidea (Bark-gnawing, Checkered and Soft-winged Flower Beetles)
Family Trogossitidae (Bark-gnawing Beetles)
Synonyms and other taxonomic changes
=Ostomatidae, Trogositidae (misspelling)
it is not clear whether the family is monophyletic within Cleroidea(1)
Explanation of Names
Trogossitidae Latreille 1802
2 subfamilies, with ~60 spp. in 13 genera in our area, >370 spp. in 53 genera worldwide(2); 8 spp. in 6 genera in Atlantic Canada(3)
Overview of our fauna:
Subfamily Peltinae
Subfamily Trogossitinae
2-22 mm, most 5-15 mm (some exotic spp. up to 50 mm)(1)
keys in(4)
mostly cylindrical or slightly flattened subcortical beetles; wide-bodied forms tend to be associated with bracket fungi
worldwide and throughout NA(2)
Forests; under bark or on bracket fungi; a few spp. in stored products
Many are predatory on other beetles and their larvae
See Also
some lookalikes from other superfamilies:
Works Cited
1.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.
2.Synopsis of the described Coleoptera of the world
3.The Trogossitidae (Coleoptera) of Atlantic Canada
C.G. Majka. 2011. Journal of the Acadian Entomological Society 7: 25-31.
4.A revision of the Trogossitidae of America north of Mexico (Coleoptera: Cleroidea)
J.R. Barron. 1971. Memoirs of the Entomological Society of Canada, 75: 1-143.