| Sciomyzidae | ||||||
| Sciomyzinae | ||||||
| Pherbellia nana (Fallen) (1) | ||||||
| Tetanocerinae | ||||||
| Dictya expansa Steyskal (3) | ||||||
| Limnia louisianae Melander (4) | ||||||
| L. ottawensis Melander (4) | ||||||
| Sepedon tenuicornis Cresson (2) | ||||||
| 1. In OSU Collection - Det. C. W. Sabrosky | ||||||
| 2. Reported by Orth, 1986 | ||||||
| 3. Reported by Orth, 1991 | ||||||
| 4. Reported by Steyskal et al., 1978 | ||||||
| 4 genera - 5 species | ||||||