| Pseudogaurax higginsi Sabrosky, 1992 |
| Pseudogaurax mexoculatus Sabrosky, 1992 |
| Pseudogaurax signatus (Loew, 1876) |
| Rhopalopterum Duda, 1929 |
| Rhopalopterum carbonarium (Loew, 1869) |
| Rhopalopterum limitatum (Becker, 1912) |
| Siphunculina Rondani, 1856 |
| Siphunculina plumbella (Wiedemann, 1830) |
| Siphunculina reticulata (Loew, 1869) |
| Siphunculina signata (Wollaston, 1858) |
| Siphunculina striolata (Wiedemann, 1830) |
| Stenoprosopon Duda, 1930 |
| Stenoscinis Malloch, 1918 |
| Stenoscinis major (Duda, 1934) |
| Stenoscinis majus (Duda, 1934) |
| Stratiomicroneurum Duda, 1933 |
| Thaumatomyia Zenker, 1833 |
| Thaumatomyia apache Sabrosky, 1943 |
| Thaumatomyia appropinqua (Adams, 1903) |
| Thaumatomyia assimilis (Macquart, 1851) |