Colletidae
	Colletinae
		Colletini
			Colletes birkmani Swenk  (2,4)
			C. brevicornis Robertson  (4,5)
			C. inaequalis Say  (1,4,5)
			C. robertsoni Dalla Torre  (4)
			C. thoracicus Smith  (2,4)
	Hylaeinae
			Hylaeus sp.  (3)
1. In OSU Collection – Det. G. Bohart
2. Reported in Hymenoptera Catalog
3. Reported by Kondratieff et al., 2007
4. Reported by Stephen, 1954
5. Reported by Swenk, 1908
2 genus – 6 species