| Mythicomyia actites Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia actoni Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia acuta Melander, 1961 | Asian mustard |
| Mythicomyia agilis Melander, 1961 | Asian mustard |
| Mythicomyia angusta (Melander, 1961) | ⇒ Pieza angusta Melander, 1961 |
| Mythicomyia annulata Melander, 1961 | Asian mustard |
| Mythicomyia anomala Melander, 1961 | Asian mustard |
| Mythicomyia antecessor Melander, 1961 | Asian mustard |
| Mythicomyia apricata Melander, 1961 | Asian mustard |
| Mythicomyia arizonica Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia armata Cresson, 1915 | |
| Mythicomyia armipes Cresson, 1915 | |
| Mythicomyia asclepiadis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia asclepias | |
| Mythicomyia aspilota (Hall & Evenhuis, 1986) | ⇒ Mythicomyia crocina Melander, 1961 |
| Mythicomyia atra Cresson, 1915 | |
| Mythicomyia atratella Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia atrita Melander, 1961 | Asian mustard |
| Mythicomyia aureola (Melander, 1961) | ⇒ Mythicomyia antecessor Melander, 1961 |
| Mythicomyia aurifera Melander, 1961 | Asian mustard |
| Mythicomyia bella Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia bianca Tabet, 1986 | Citrus |
| Mythicomyia bibosa (Melander, 1961) | ⇒ Mythicomyia oporina Melander, 1961 |
| Mythicomyia bilychnis Melander, 1961 | Asian mustard |
| Mythicomyia binotata Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia bivulneris Melander, 1961 | Asian mustard |
| Mythicomyia brachytis Hall, 1976 | |
| Mythicomyia brevis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia brevivena Tabet, 1986 | Citrus |
| Mythicomyia bucinator Melander, 1961 | Asian mustard |
| Mythicomyia cala Melander, 1961 | Asian mustard |
| Mythicomyia californica Greene, 1924 | |
| Mythicomyia caligula Melander, 1961 | Asian mustard |
| Mythicomyia callima Melander, 1961 | Asian mustard |
| Mythicomyia calva Melander, 1961 | Asian mustard |
| Mythicomyia campestris Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia candida Melander, 1961 | Santa Cruz star leaf |
| Mythicomyia carptura Melander, 1961 | Asian mustard |
| Mythicomyia citrina Hall, 1976 | |
| Mythicomyia cocollina Evenhuis, 2002 | |
| Mythicomyia collina (Philippi, 1866) | ⇒ Mythicomyia cocollina Evenhuis, 2002 |
| Mythicomyia comma Melander, 1961 | Asian mustard |
| Mythicomyia communis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia comparata Melander, 1961 | Asian mustard |
| Mythicomyia compta Melander, 1961 | Asian mustard |
| Mythicomyia concinna Melander, 1961 | Asian mustard |
| Mythicomyia concrescens Melander, 1961 | Asian mustard |
| Mythicomyia cressoni Melander, 1961 | Asian mustard |
| Mythicomyia cristata Melander, 1961 | Asian mustard |
| Mythicomyia crocina Melander, 1961 | Asian mustard |
| Mythicomyia cruralis Melander, 1961 | Asian mustard |
| Mythicomyia curtata Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia cylla Melander, 1961 | Asian mustard |
| Mythicomyia desertorum Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia diadela Melander, 1961 | Asian mustard |
| Mythicomyia diasema Hall, 1976 | |
| Mythicomyia dipura Melander, 1961 | Asian mustard |
| Mythicomyia diropeda Melander, 1961 | Asian mustard |
| Mythicomyia discreta Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia dominicana ♰ N. L. Evenhuis, 2002 | |
| Mythicomyia enoria Melander, 1961 | Asian mustard |
| Mythicomyia eremica (Melander, 1961) | ⇒ Pieza minuta Greene, 1924 |
| Mythicomyia fasciolata Melander, 1961 | Asian mustard |
| Mythicomyia flavida (Melander, 1961) | ⇒ Mythicomyia antecessor Melander, 1961 |
| Mythicomyia flavipes Cresson, 1915 | |
| Mythicomyia flaviventris Melander, 1961 | Asian mustard |
| Mythicomyia frontalia Melander, 1961 | Asian mustard |
| Mythicomyia fumipennis Melander, 1961 | Asian mustard |
| Mythicomyia fusca Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia galbea Melander, 1961 | Asian mustard |
| Mythicomyia gausa Melander, 1961 | Asian mustard |
| Mythicomyia gibba (Melander, 1961) | ⇒ Mythicomyia gibbera Melander, 1961 |
| Mythicomyia gibbera Melander, 1961 | Asian mustard |
| Mythicomyia gracilis Melander, 1961 | Asian mustard |
| Mythicomyia grandis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia gynandra Melander, 1961 | Asian mustard |
| Mythicomyia habra Melander, 1961 | Asian mustard |
| Mythicomyia hamata Melander, 1961 | Asian mustard |
| Mythicomyia hespera Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia hiata (Melander, 1961) | ⇒ Paraconsors humeralis Melander, 1946 |
| Mythicomyia hoplites (Melander, 1961) | ⇒ Mythicomyia antecessor Melander, 1961 |
| Mythicomyia hormatha Melander, 1961 | Asian mustard |
| Mythicomyia humeralis Melander, 1961 | Asian mustard |
| Mythicomyia hyalinipennis Brèthes, 1919 | |
| Mythicomyia hybos Melander, 1961 | Asian mustard |
| Mythicomyia illustris Melander, 1961 | Asian mustard |
| Mythicomyia imbellis Melander, 1961 | Asian mustard |
| Mythicomyia indicata Melander, 1961 | Asian mustard |
| Mythicomyia infrequens Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia insignis Melander, 1961 | Asian mustard |
| Mythicomyia intermedia Melander, 1961 | Asian mustard |
| Mythicomyia introrsa Melander, 1961 | Asian mustard |
| Mythicomyia irrupta Melander, 1961 | Asian mustard |
| Mythicomyia laticlavia (Melander, 1961) | ⇒ Mythicomyia irrupta Melander, 1961 |
| Mythicomyia lenticularis Melander, 1961 | Asian mustard |
| Mythicomyia levigata Melander, 1961 | Asian mustard |
| Mythicomyia liticen Melander, 1961 | Asian mustard |
| Mythicomyia litoris Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia longimana Melander, 1961 | Asian mustard |
| Mythicomyia lucens Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia macclayi Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia macra Hall, 1976 | |
| Mythicomyia macroglossa Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia marginata Melander, 1961 | Asian mustard |
| Mythicomyia melania Philippi, 1866 | |
| Mythicomyia minima Melander, 1961 | Asian mustard |
| Mythicomyia ministra (Melander, 1961) | ⇒ Pieza angusta Melander, 1961 |
| Mythicomyia minor (Melander, 1961) | ⇒ Mythicomyia gynandra Melander, 1961 |
| Mythicomyia minuscula Melander, 1961 | Asian mustard |
| Mythicomyia minuta Greene, 1924 | |
| Mythicomyia minutum (Greene, 1924) | ⇒ Pieza minuta Greene, 1924 |
| Mythicomyia mira Melander, 1961 | Asian mustard |
| Mythicomyia mirifica Melander, 1961 | Asian mustard |
| Mythicomyia mitrata Melander, 1961 | Asian mustard |
| Mythicomyia modesta Melander, 1961 | Asian mustard |
| Mythicomyia mulsea Melander, 1961 | Asian mustard |
| Mythicomyia munda Melander, 1961 | Asian mustard |
| Mythicomyia mutabilis (Melander, 1961) | ⇒ Mythenteles propleuralis Melander, 1946 |
| Mythicomyia napaea (Melander, 1961) | ⇒ Paraconsors napaea Melander, 1961 |
| Mythicomyia nevadensis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia nigricans Melander, 1961 | Asian mustard |
| Mythicomyia nitida Melander, 1961 | Asian mustard |
| Mythicomyia nitidula Melander, 1961 | Asian mustard |
| Mythicomyia ocreata Melander, 1961 | Asian mustard |
| Mythicomyia oporina Melander, 1961 | Asian mustard |
| Mythicomyia optata Melander, 1961 | Asian mustard |
| Mythicomyia orchestes Melander, 1961 | Asian mustard |
| Mythicomyia ornata Melander, 1961 | Asian mustard |
| Mythicomyia ornatula Melander, 1961 | Asian mustard |
| Mythicomyia orthis Hall, 1976 | |
| Mythicomyia ostenta (Melander, 1961) | ⇒ Pieza ostenta Melander, 1961 |
| Mythicomyia painterorum Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia pallida Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia parma Melander, 1961 | Asian mustard |
| Mythicomyia pedias Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia pedion | |
| Mythicomyia penicula Melander, 1961 | Asian mustard |
| Mythicomyia perlonga Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia petena Melander, 1961 | Asian mustard |
| Mythicomyia petes Melander, 1961 | Asian mustard |
| Mythicomyia petiolata Melander, 1961 | Asian mustard |
| Mythicomyia phacodes Melander, 1961 | Asian mustard |
| Mythicomyia phalerata Melander, 1961 | Asian mustard |
| Mythicomyia pharetra Melander, 1961 | Asian mustard |
| Mythicomyia phormos | |
| Mythicomyia phormus Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia picta Melander, 1961 | Asian mustard |
| Mythicomyia pictipes Coquillett, 1902 | |
| Mythicomyia platycheira Melander, 1961 | Asian mustard |
| Mythicomyia poliodes Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia polygena Melander, 1961 | Asian mustard |
| Mythicomyia polysperes Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia potrix Melander, 1961 | Asian mustard |
| Mythicomyia powelli Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia pravipes Melander, 1961 | Asian mustard |
| Mythicomyia problis Hall, 1976 | |
| Mythicomyia pruinosa Melander, 1961 | Asian mustard |
| Mythicomyia pulla Melander, 1961 | Asian mustard |
| Mythicomyia pusilla Melander, 1961 | Asian mustard |
| Mythicomyia pusillima Edwards, 1930 | |
| Mythicomyia rhaeba Melander, 1961 | Asian mustard |
| Mythicomyia rileyi Coquillett, 1893 | |
| Mythicomyia robiginosa Melander, 1961 | Asian mustard |
| Mythicomyia salpinx Melander, 1961 | Asian mustard |
| Mythicomyia scapulata Melander, 1961 | Asian mustard |
| Mythicomyia schlingeri Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia scutellata Coquillett, 1902 | |
| Mythicomyia sedonae Evenhuis, 1989 | |
| Mythicomyia sorbens Melander, 1961 | Asian mustard |
| Mythicomyia spectabilis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia storia | |
| Mythicomyia strenua Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia sugens Melander, 1961 | Asian mustard |
| Mythicomyia tagax Melander, 1961 | Asian mustard |
| Mythicomyia tenthes Melander, 1961 | Asian mustard |
| Mythicomyia texana Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia tibialis Coquillett, 1895 | |
| Mythicomyia timberlakei Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia torta Tabet & Hall, 1987 | Santa Cruz star leaf |
| Mythicomyia tortilis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia trepta Hall, 1976 | |
| Mythicomyia trifaria Melander, 1961 | Asian mustard |
| Mythicomyia triformis (Melander, 1961) | ⇒ Mythicomyia tibialis Coquillett, 1895 |
| Mythicomyia tristis Melander, 1961 | Asian mustard |
| Mythicomyia tubicen Melander, 1961 | Asian mustard |
| Mythicomyia tumescens Melander, 1961 | Asian mustard |
| Mythicomyia uncata Melander, 1961 | Asian mustard |
| Mythicomyia vallis Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia versicolor Hall & Evenhuis, 1986 | Bull-bay |
| Mythicomyia vestis Melander, 1961 | Asian mustard |
| Mythicomyia vilis Melander, 1961 | Asian mustard |
| Mythicomyia virgata Melander, 1961 | Asian mustard |
| Mythicomyia virgo Melander, 1961 | Asian mustard |
| Mythicomyia vulnerata Melander, 1961 | Asian mustard |
