Thoon aethus (Hayward, 1951); Disjunct Skipper, Comments: Nicaragua, Bolivia.
♂ illustration, BOLIVIA This is an image of Thoon taxes digitally modified to match the key for Thoon aethus from: Evans, William Harry 1955. A catalogue of the American Hesperiidae indicating the classification and nomenclature adopted in the British Museum (Natural History). Part IV. Hesperiinae and Megathyminae. London, British Museum (Natural History). v + 499 pp., pls. 54-88. species number J.48.9, p. 193. Namely, stigma and apical hyaline spot were removed and 2 spots added in the cell, i.e. "♂ upf no brand. Uph unmarked. Upf white hyaline spots in spaces 2, 3 and 2 in cell."