Hypotelus Erichson 1839

Modified key to the species of Hypotelus Couplet 11 of the key by Bortoluzzi et al. (2017) can be replaced by the following two couplets to include H. chusqueaticus. Couplets 1–10 are identical to those in Bortoluzzi et al. (2017). 11. Head darker than pronotum; male and female sternite 8 with posterior margin rounded............................................................................................... H. praecox (fig. 10 in Bortoluzzi et al. 2017) - Head and pronotum similar in color; male and female sternite 8 different from above............................... 12 12. Elytra bicolored, basal two-thirds lighter than the rest; male sternite 8 with posterior margin somewhat three-pronged at the middle (fig. 53 in Bortoluzzi et al. 2017); female sternite 8 with posterior margin sinuous (fig. 78 in Bortoluzzi et al. 2017 .................................................................. H. testaceus (fig. 12 in Bortoluzzi et al. 2017) - Elytra unicolored; male sternite 8 with posterior margin somewhat pointed (Fig. 16); female sternite 8 with posterior margin pointed at the middle-third (Fig. 17................................................... H. chusqueaticus sp. nov.