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

Flat, elongate, triangle head - Tenebroides americanus Temnoscheila? - Temnoscheila chlorodia Trogossidae? - Tenebroides Trogossitid - Temnoscheila Tenebroides laticollis (Horn) - Tenebroides laticollis Tenebroides corticalis? - Tenebroides corticalis Bark-gnawing beetle - Temnoscheila chlorodia Tenebroides - to sp.? - 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)
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, ~600 spp. in ~50 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(5); nearly half of the described spp. are in S. America(6)
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.Order Coleoptera Linnaeus, 1758. In: Zhang Z.-Q. (ed.) Animal biodiversity: An outline of higher-level classification...
Slipinski S.A., Leschen R.A.B., Lawrence J.F. 2011. Zootaxa 3148: 203–208.
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.
5.Synopsis of the described Coleoptera of the world
6.Coleoptera, Beetles; Morphology and Systematics vol. 2
Richard A.B. Leschen, Rolf G. Beutel and John F. Lawrence. 2010. De Gruyter.