morosa Wulp, 1896:339 (Phorbia) .
Holotype male, BMNH. Typelocality: Mexico, Mexico City. Distr. Mexico; North America.
Chortophila morosa; Stein 1919:154 (cat.).
Hylemyia morosa; Séguy 1937:103 (cat.).
Fannia morosa; Pont 1972:5 (cat.); Carvalho et al. 1993:12 (cat.).
laevis Stein, 1898:174 (Homalomyia) . Syntypes male/female, FMNH, USNM, ZMHB. Typelocality: USA, Massachusetts, Horse Neck Beach [Ref. Huckett 1975:82]. Synonymy with morosa Wulp by Pont 1972:5.
Fannia laevis; Séguy 1937:170 (cat.); Chillcott 1961:208 (USA, Mexico), figs 141, 142, 142A (male genitalia), 214 (female ovipositor).