1. Arnett, W. H. ; Stockton, L. , 1977: Leafcutting bee investigations in Nevada, 1976. Eight Annual Interstate Alfalfa Seed Growers School. Jan. 26-27, 1977 Winnemucca, Nev. U.S.A..
2. Management of wild bees for the pollination of crops;Bohart;Ann. Rev. Ent.,1972
3. Volatile components of alfalfa leaf-cutter bee cells;Buttery;J. Agric. Food Chem.,1981