Nyssonidae
	Alyssoninae
			Didineis texana (Cresson)  (10)
	Nyssoninae
			Hyponysson raui (Rohwer)  (6)(9, as Nysson)
			Epinysson bellus (Cresson)  (6)
			Zanysson texanus fuscipes (Cresson)  (3,8)
			Foxia navajo Pate  (6,9)
	Gorytinae
			Pseudoplisus s. smithii (Cresson)  (6)
			P. tanythrix Bohart  (6)
			Psammaletes crucis (Cockerell)  (5)
			Sphecius grandis (Say)  (1,7)
			S. speciosus (Drury)  (4,7,8)
			Tanyoprymnus moneduloides (Packard)  (3)
	Stizinae
			Stizoides renicinctus (Say)  (3)
	Bembicinae
			Bicyrtes quadrifasciata (Say)  (8)
			Stictia sp.  (2)
			Bembix americana comata Parker  (2)
			B. nubilipennis Cresson  (3)
			Stictiella formosa (Cresson)  (3,6)
			Glenostictia pictifrons (Smith)  (8)
1. In OSU Collection - Det. D. C. Arnold
2. In OSU Collection - Det. G. Bohart
3. In OSU Collection - Det. K. V. Krombein
4. In OSU Collection - Det. V. S. L. Pate
5. In OSU Collection - Determiner Unknown
6. Reported in Hymenoptera Catalog
7. Reported by Holliday & Coelho, 2006
8. Reported by Kondratieff et al., 2007
9. Reported by Pate, 1938
10. Reported by Stoner et al., 1962
15 genera - 18 species