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Family Stenotrachelidae - False Longhorn Beetles

Which beetle, please? - Cephaloon lepturides 177508 - Cephaloon ungulare False longhorn beetle from Banff (2) 10.07.09 - Cephaloon tenuicorne false longhorn - Cephaloon vandykei Coleoptera - Cephaloon Cephaloon of sorts... False longhorn beetles - Stenotrachelus aeneus (Fabricius) - Stenotrachelus aeneus Narrow blackish beetle - Cephaloon
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)
No Taxon (Series Cucujiformia)
Superfamily Tenebrionoidea (Fungus, Bark, Darkling and Blister Beetles)
Family Stenotrachelidae (False Longhorn Beetles)
Synonyms and other taxonomic changes
Cephaloidae
Explanation of Names
Stenotrachelidae C.G. Thomson 1859
Numbers
10 spp. in 4 genera in our area (6 spp. are in Cephaloon), ~20 spp. in 7 genera total(1)(2)
Identification
illustrated key to e. NA species in(3)
Range
holarctic family; in NA, mostly boreal and western(1)
Habitat
larvae in decaying wood; adults sometimes on flowers(1)
Life Cycle
adults are likely short-lived(1)
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...
Ślipiński S.A., Leschen R.A.B., Lawrence J.F. 2011. Zootaxa 3148: 203–208.
3.The Stenotrachelidae (Coleoptera) of Atlantic Canada
C.G. Majka. 2011. Journal of the Acadian Entomological Society 7: 7-13.