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Genus Strongylium

Strongylium crenatum what species? - Strongylium crenatum ? - Strongylium tenuicolle unknown beetle sp. - Strongylium tenuicolle Strongylium - Strongylium tenuicolle Strongylium crenatum? - Strongylium crenatum Tenebrionoidea ? - Strongylium tenuicolle Strongylium sp. - Strongylium tenuicolle
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Tenebrionoidea
Family Tenebrionidae (Darkling Beetles)
Subfamily Stenochiinae
Tribe Stenochiini
Genus Strongylium
Synonyms and other taxonomic changes
one sp. recently transferred to Oploptera(1)
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(2)(1)(3)(4)
Identification
key to spp. in Triplehorn & Spilman (1973) (2)
updated key to 7 eastern spp. (with habitus photos of all the included spp.) in Thomas & Okins (2011) (3)
Range
worldwide, by far most diverse in the tropics; in our area, e. US + TX-AZ(2)(3):
S. tenuicolle, S. terminatum: widespread in e. US (the former ranges into e. Canada)
S. crenatum: mostly se. US
S. anthrax, S. cultellatum: FL
S. aulicum: s.FL & s.TX
2 spp. in southernmost TX only
2 spp. in s.AZ & NM
Works Cited
1.Notes on Stenochiini Kirby, 1837 genera and species from western North America (Coleoptera: Tenebrionidae)
Johnston M.A., Cortés Hernández K. 2021. Dugesiana 28: 81-87.
2.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.
3.An Asian species of Strongylium Kirby (Coleoptera:Tenebrionidae) newly established in South Florida, U.S.A.
Thomas M.C., Okins K.E. 2011. Col. Bull. 65: 147-152.
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.