Gymnoprosopa filipalpus Allen, 1926
Gymnoprosopa filipalpus Allen, 1926: 100 [♂ ♀].
Gymnoprosopa filipalpus : Downes, 1965: 936 [catalogue]; Pape, 1996: 89 [catalogue].
Gymnoprosopa filipalpis : Rohlfien and Ewald, 1974: 128, incorrect subsequent spelling of filipalpus [type revised].
Holotype (male): USA, Mississippi, McHenry. Deposited in USNM.
Distribution: Nearctic: USA (Alabama, Connecticut 2, Florida, Georgia, Mississippi, North Carolina 3, Texas, Virginia).
Habits: Adult flies feed on flowers of Ceanothus americanus (Allen, 1926) .