Philanthidae
	Philanthinae
			Philanthus gibbosus (Fab.)  (7)
			P. ventilabris Fab.  (1)
	Aphilanthopsinae
		Aphilanthopsini
			Clypeadon dreisbachi (Bohart)  (5)
	Cercerinae
			Cerceris bicornuta Guerin  (7,9)
			C. blakei Cresson  (4)
			C. californica Cresson  (4)
			C. c. clypeata Dahlbom  (4,9)
			C. clypeata gnarina Banks  (4)
			C. compacta Cresson  (4,7,9)
			C. c. compar Cresson  (4,9)
			C. femurrubrum Viereck & Cockerell  (4)
			C. finitima Cresson  (6,9)
			C. f. flavofasciata Smith  (4,5,9)
			C. frontata Say  (4,9)(8,9, as C. f. raui Rohwer)
			C. fumipennis Say  (2,4,7,9)
			C. graphica Smith  (4)(9, as C. macrosticta V. & C.)
			C. i. insolita Cresson  (4,9)
			C. irene Banks  (4,5,9)
			C. k. kennicottii Cresson  (3)
			C. morata Cresson  (4,9)
			C. rufinoda Cresson  (4)
			C. squamulifera Mickel  (4,9)
			C. tolteca Saussure  (5,9)
			C. verticalis Smith  (4,9)
			Eucerceris canaliculata (Say)  (4,10)
			E. montana Cresson  (4,10)
			E. rubripes Cresson  (4,10)
1. In OSU Collection - Det. T. Griswold
2. In OSU Collection - Det. K. V. Krombein
3. In OSU Collection - Det. G. Sandhouse
4. In OSU Collection - Det. H. A. Scullen
5. Reported in Hymenoptera Catalog
6. Reported by Ahring & Howell, 1968
7. Reported by Kondratieff et al., 2007
8. Reported by Scullen, 1960
9. Reported by Scullen, 1965
10. Reported by Scullen, 1968
4 genera - 26 species