PHANTASIOMYIA Townsend, 1915m: 225. Type species: Phantasiomyia gracilis Townsend, 1915, by original designation.
atripes (Coquillett, 1897).– Massachusetts (?error for California), Arizona (S&A, 1965), New Mexico (CNC).
– Thryptocera atripes Coquillett, 1897: 58. Type data: holotype male [not female as published] (USNM). Type locality: USA, Massachusetts, New Bedford (possibly in error and actually southern California according to Aldrich, 1928c: 142).
gracilis Townsend, 1915.– California, Arizona, New Mexico (S&A, 1965), British Columbia, Colorado (CNC).
– Phantasiomyia gracilis Townsend, 1915m: 226. Type data: holotype male (USNM). Type locality: USA, New Mexico, Beulah.