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Genus Strongylium

Strongylium apache beetle - Strongylium tenuicolle Found Dead - Strongylium tenuicolle Strongylium tenuicolle Beetle larva? - Strongylium crenatum Beetle - Strongylium aulicum Tenebrionidae - Strongylium tenuicolle Black Beetle - Strongylium tenuicolle
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 Tenebrionidae (Darkling Beetles)
Subfamily Stenochiinae
Tribe Stenochiini
Genus Strongylium
Explanation of Names
Strongylium Kirby 1819
strongylos = 'rounded' (prob. refers to the cylindrical body)
Numbers
10 spp. in our area; largest genus in the family with >700 spp. worldwide, ~320 in the Neotropics(1)(2)
Identification
key to spp. in(1)
Range
worldwide, by far most diverse in the tropics; in our area, e. US + TX-AZ(1):
S. tenuicolle, S. terminatum: widespread in e. US (the former ranges into e. Canada)
S. crenatum, S. simplicicolle: mostly se. US
S. anthrax: FL
3 spp. in southernmost TX only
2 spp. in so. AZ & NM
Works Cited
1.A review of Strongylium of America north of Mexico, with descriptions of two new species (Coleoptera, Tenebrionidae)
Triplehorn C.A., Spilman T.J. 1973. Trans. Am. Ent. Soc. 99: 1-27.
2.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.