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Genus Strongylium

Strongylium aulicum Mäklin - Strongylium aulicum Found Dead - Strongylium tenuicolle Strongylium hemistriatum Strongylium aulicum Mäklin - Strongylium aulicum Darkling Beetle - Strongylium tenuicolle Beetle - Strongylium tenuicolle Xylopinus? Strongylium? - Strongylium terminatum Strongylium crenatum? - Strongylium crenatum
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
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)
10 spp. in our area; largest genus in the family with >700 spp. worldwide, ~320 in the Neotropics(2)(1)(3)(4)
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)
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.