alfalfa seed chalcid
By: [by Carl Johansen and Arthur H. Retan].
Edition: Rev.
Series: Insect answers; Extension mimeo -- 2923.; Extension mimeo (Washington State University. Cooperative Extension) -- 2923.
Publisher: Cooperative Extension Service, College of Agriculture, Washington State University
Published: 1974
Place of publication: Pullman
Language: eng
Notes: "August 1974."

"E.M. 2923."