| Dilophus melanarius Wulp, 1881 |
| Dilophus minutus Bellardi, 1862 |
| Dilophus sayi (Hardy, D. E., 1959) |
| Dilophus stygius Say, 1829 |
| Dilophus tingi (Hardy, D. E., 1942) |
| Enicoscolus Hardy, D. E., 1961 |
| Enicoscolus brachycephalus Hardy, D. E., 1961 |
| Enicoscolus dolichocephalus Hardy, D. E., 1961 |
| Hirtea Fabricius, 1798 |
| Penthetria Meigen, 1803 |
| Penthetria heros Say, 1829 |
| Penthetria mexicana (Hardy, D. E., 1937) |
| Penthetria nigerrima (Bellardi, 1859) |
| Penthetriinae Rohdendorf, 1938 |
| Philia Meigen, 1800 |
| Plecia Wiedemann, 1828 |
| Plecia americana Hardy, D. E., 1940 |
| Plecia bellardii Townsend, 1912 |
| Plecia bicolor Bellardi, 1859 |
| Plecia curvistylata Hardy, D. E., 1942 |