Nematode-induced demasculinization of Nearctic Dolichopodidae (Diptera) with five new synonyms Author Runyon, Justin B. text Zootaxa 2022 2022-01-24 5092 5 545 558 journal article 2447 10.11646/zootaxa.5092.5.3 851d995a-7acd-410b-9ab8-c38a81a2fc4f 1175-5326 5896385 5E84BAA2-9CD2-4471-93A2-56A468E69DF3 Dolichopus brevicauda Van Duzee, 1921: 108 Potential infected species: Dolichopus xanthocnemus Loew, 1864b: 31 . Dolichopus brevicauda was described from one male from Mount Washington , New Hampshire , USA . The face is wide and hypopygium is small and not much larger than the cerci. Dolichopus xanthocnemus , also collected at Mount Washington , is possibly the infected species. Dolichopus brevicauda differs from D. xanthocnemus by the small genitalia with darker cerci, lack of yellow cilia on hind femur, and lacking a knot-like enlargement on the costa.