leucoproctum Loew, 1861: 355 (Discocerina leucoprocta). Type locality, United States, “Maryland”; HT F (MCZ). Distr.: Nearctic: United States (Florida, Iowa, Maine, Massachusetts, Maryland, Minnesota, Virginia). Neotropical: Argentina, Bolivia, Colombia (Valle del Cauca), Costa Rica, Ecuador, Guatemala, Mexico, Panama, Venezuela, West Indies (Jamaica).

Hydrochasma leucoproctum, Cresson, 1942: 113 (generic comb.). Mathis & Zatwarnicki, 2013: 132 –140 (revision).