Achlyodes mithridates, the sickle-winged skipper or Jung's dusky wing, is a butterfly of the Hesperiidae family. It is found from Argentina, north through tropical America and the West Indies to southern Texas. A regular stray north to central Texas, rarely to Arkansas and Kansas. The wingspan is 35–45 mm. Adults are on wing all year round in most of its range. The larvae feed on leaves of Rutaceae species, including Zanthoxylum fagara in Texas and Zanthoxylum monophyllum in tropical America. Adults feed on flower nectar.