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

May 26, 2007 - Bark-gnawing Beetle - Thymalus marginicollis Beetle - Airora cylindrica Airora cylindrica  ? - Airora cylindrica Corticotomus cylindricus Bark-gnawing beetle - Corticotomus Silver Star Mountain Beetle 2 - Eronyxa Trogossitidae - Bark-gnawing Beetle, dorsal - Grynocharis quadrilineata Tenebroides corticalis or americanus - Tenebroides corticalis
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 Cleroidea (Bark-gnawing, Checkered and Soft-winged Flower Beetles)
Family Trogossitidae (Bark-gnawing Beetles)
Synonyms and other taxonomic changes
Ostomatidae, Trogositidae (misspelling)
probably not monophyletic within Cleroidea
Explanation of Names
Trogossitidae Latreille 1802
2 subfamilies, with ~60 spp. in 13 genera in our area, ~600 spp. in ~50 genera worldwide(1)(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)(4)
keys in(5)
mostly cylindrical or slightly flattened subcortical beetles; wide-bodied forms tend to be associated with bracket fungi
worldwide and throughout NA(6); nearly half of the described spp. are in S. America(7)
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.Order Coleoptera Linnaeus, 1758. In: Zhang Z.-Q. (ed.) Animal biodiversity: An outline of higher-level classification...
Ślipiński S.A., Leschen R.A.B., Lawrence J.F. 2011. Zootaxa 3148: 203–208.
2.Trogossitidae: A review of the beetle family, with a catalogue and keys
Kolibáč J. 2013. ZooKeys 366: 1-194.
3.The Trogossitidae (Coleoptera) of Atlantic Canada
Majka C.G. 2011. J. Acadian Ent. Soc. 7: 25-31.
4.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.
5.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.
6.Synopsis of the described Coleoptera of the world
7.Coleoptera, Beetles; Morphology and Systematics vol. 2
Richard A.B. Leschen, Rolf G. Beutel and John F. Lawrence. 2010. De Gruyter.