The discovery by Dr. Vernon Lee of a new species of Lepiselaga in Colombia, provides the opportunity to review the taxonomy of the group and to make some suggestions as to the relationships of the species to each other, as well as to other genera usually considered to be related. Lutz (1913) erected the subfamily Lepidoselaginae to contain Lepiselaga, Selasoma, Himantostylus, and Stigmatophthalmus, the last two described as new. Lutz accepted Osten Sacken's invalid emendation of Lepiselaga to Lepidoselaga, but used both inter changeably in this publication. He also stated that the subfamily would contain other unnamed Australian and African species. Ender lein (1925) retained the group as a tribe Lepiselagini for 9 more or less unrelated genera, but including Lepiselaga and Himantostylus, though not Selasoma or Stigmatophthalmus, which were placed in the tribes Tabanini and Dichelacerini, respectively. Kröber (1934) included Lepiselaga and Selasoma in the subfamily Lepiselaginae, but placed Himantostylus in the Stenotabaninae and relegated Stigma tophthalmus to the position of a subgenus of Dicladocera in the sub family Tabanini. Fairchild (1942) placed Lepiselaga and Selasoma in Tabaninae, tribe Lepiselagini. Finally Mackerras (1955) included all the Neotropical Tabaninae with bare basicosta in one tribe, Diachlorini. As at present known, Selasoma, Stigmatophthalmus and Himanto stylus are monotypic, each containing but a single rather aberrant species, and will be discussed first.