About Mydas xanthopterus (Loew, 1866)
Mydas xanthopterus is a species of mydas flies that belongs to the family Mydidae. Populations of Mydas xanthopterus are found in North America, specifically in Mexico and the United States. These flies resemble red-winged species from the genus Pepsis, and are possibly classified as Batesian mimics. They occur in sympatry with Pepsis grossa.