BRENTIDAE
	Brentinae
		Arrhenodini
			Arrenodes minutus (Drury)  (2)
	Cyladinae
			Cylas formicarius (Fab.)  (3)
	Apioninae
			Apion attenuatum Smith  (8,9)
			A. capitone Kissinger  (6)
			A. contusum Smith  (6)
			A. decoloratum Smith  (6)
			A. impunctistriatum Smith  (1)
			A. longirostre Olivier  (4)
			A. melanarium Gerstacker (6)
			A. metallicum Gerstacker  (5)
			A. nebraskense Fall  (6)
			A. occidentale Fall  (6)
			A. pensylvanicum Boheman  (7)
			A. robustum Smith  (1)
			A. sayi Gyllenhal  (6)
			A. texanum Smith  (6)
1. In OSU Collection - Det. H. R. Burke
2. In OSU Collection - Det. C. A. Frost
3. In OSU Collection - Det. V. M. Tanner
4. In OSU Collection - Det. R. E. Warner
5. In OSU Collection - Determiner unknown
6. Reported in Coleoptera Catalog
7. Reported by Hefley, 1937
8. Reported by Salsbury, 1984
9. Reported by Wibmer & O'Brien, 1989
3 genera - 16 species