Hesperiidae Latreille, 1809
Mastor aenus Edwards, 1878
Mastor aesculapius Fabricius, 1793
Mastor alternata Grote & Robinson, 1867
Mastor anubis Godman, 1900
Mastor argina Plötz, 1884
Mastor asella Herrich-Schäffer, 1869
Mastor belli Freeman, 1941
Mastor bellus Edwards, 1884
Mastor carolina Skinner, 1893
Mastor cassus Edwards, 1883
Mastor celia Skinner, 1895
Mastor comus Edwards, 1876
Mastor elissa Godman, 1900
Mastor eos Edwards, 1871
Mastor erna Freeman, 1943
Mastor exoteria Herrich-Schäffer, 1869
Mastor fimbriata Plötz, 1882
Mastor florus Godman, 1900
Mastor fluonia Godman, 1900
Mastor hegon Scudder, 1863
Mastor immaculatus Freeman, 1970
Mastor insulaepinorum Holland, 1916
Mastor linda Freeman, 1943
Mastor marcus Strand, 1907
Mastor mate Dyar, 1923
Mastor meridionalis Dyar, 1905
Mastor nanno Edwards, 1882
Mastor nemoris Edwards, 1864
Mastor nereus Edwards, 1876
Mastor nilus Edwards, 1878
Mastor nysa Edwards, 1877
Mastor oneko Scudder, 1863
Mastor oslari Skinner, 1899
Mastor phylace Edwards, 1878
Mastor prenda Evans, 1955
Mastor quinquemacula Skinner, 1911
Mastor raphaeli Freeman, 1973
Mastor reversa Jones, 1926
Mastor samoset Scudder, 1863
Mastor similis Strecker, 1878
Mastor simius Edwards, 1881
Mastor texanae Bell, 1927
Mastor textor Geyer, 1831
Mastor tolteca Scudder, 1872
Mastor tutolia Dyar, 1913
Mastor vialis Edwards, 1862
Mastor wakulla Edwards, 1869
