glauca Macfie, 1934: 144 . Type locality: Great Britain, Norfolk, Hickling Broad. HT M (BMNH). Distr.: Europe, North America (Alberta to Nova Scotia to Arkansas and Florida) to Colombia (?) and southern Brazil. Refs.: Macfie, 1934: 144; Utmar & Wirth, 1976: 123; Borkent & Spinelli, 2007: 48.