EROTYLIDAE
Megalodacninae
Megalodacne fasciata (Fab.)  (2,3,4,6)
M. heros (Say)  (2,3,4)
Tritominae
Ischyrus quadripunctatus (Olivier)  (2,3,4,6)
Triplax flavicollis Lacordaire  (6)
T. frontalis Horn  (3,4)
T. macra LeConte  (6)
T. puncticeps Casey  (6)
T. thoracica Say  (1,3,4)
Tritoma angulata Say  (6)
T. atriventris LeConte  (3,4)
T. biguttata (Say)  (5, as biguttata affinis Lacordaire)
Erotylinae
Gibbifer californicus (Lacordaire)  (3, as Cypherotylus)
1. In OSU Collection - Det. J. H. Pickle
2. In OSU Collection - Det. J. H. Robinson
3. Reported by Bottrell & Drew, 1965
4. Reported by Boyle, 1956
5. Reported by Goodrich & Skelley, 1991
6. Reported by Shepard, 1978
5 genera - 12 species