Trapping alfalfa leafcutting bees for fun and profit
By: [prepared by Carl Johansen and Arthur H. Retan].
Contributors: Retan, Arthur H.; United States. Dept. of Agriculture.; Washington State University. Cooperative Extension.
Series: Insect answers; Extension bulletin (Washington State University. Cooperative Extension) -- ; 954.
Publisher: Cooperative Extension, College of Agriculture, Washington State University
Published: 1981
Place of publication: Pullman, Wash
Language: eng
Subjects: Alfalfa leafcutting bee; Pollination by insects
Notes: "September 1981"--P. [1].

"Previously published as EM 3096"--P. 2.