TETRATOMIDAE
Penthinae
Penthe pimelia (Fab.)  (2)
Eustrophinae
Eustrophini
Eustrophopsis bicolor (Fab.)  (1,3)(4, as Eustrophinus)
Eustrophus tomentosus Say  (1,3)
Synstrophus repandus (Horn)  (1)
Holostrophini
Holostrophus bifasciatus (Say)  (1)
1. In OSU Collection - Det. D. C. Arnold
2. In OSU Collection - Det. F. E. Blaisdell
3. In OSU Collection - Det. M. Gimmel
4. Reported by Hatch & Ortenburger, 1930
5 genera - 5 species