Sphaeroceridae
Leptocera caenosa (Rondani)  (3)
L. fontinalis (Fallen)  (1)
L. forceps Sabrosky  (1)
L. vagans (Haliday)  (2)
Limomyza cavernicola Marshall  (3)
Spelobia clunipes (Meigen)  (3)
S. tenebrarum (Aldrich)  (3)
Terrilimosina pexa Marshall  (4)
1. In OSU Collection - Det. C. W. Sabrosky
2. In OSU Collection - Det. G. C. Steyskal
3. Reported by Barnes et al., 2009
4. Reported by Marshall, 1985
4 genera - 8 species