This is a bibliographic reference for content in the New York Metropolitan Flora Project.
Reference
Rajotte, E. G. 1979. Nesting, foraging and pheromone response of the bee Colletes validus Cresson and its association with lowbush blueberries. (Hymenoptera: Colletidae) (Ericaceae: Vaccinium). J. Kansas Entomol. Soc. 52: 349-61.