Abstract
The genus Styloleptus Dillon, 1956 belongs in the Acanthocinini, one of the largest tribes within the subfamily Lamiinae. This tribe has been plagued by a myriad of taxonomic problems due to the cryptic and extremely variable morphology. There are currently 22 species within the genus Styloleptus and they are mainly restricted to the West Indies (Monné & Bezark, 2010) with all of them occurring there except one that is found only in Central America (Belize). Two other species reach the US mainland. One of them, S. biustus LeConte, 1852, is the type-species.
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