Collecting, handling and releasing Rhinocyllus conicus, a biological control agent of musk thistle
By: Norman E. Rees
Contributors: United States. Agricultural Research Service
Series: Agriculture handbook -- no. 579; Agriculture handbook (United States. Dept. of Agriculture) -- no. 579
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1982
Place of publication: Washington, D.C
Language: eng
Subjects: Beetles; Thistles; Weeds -- Control -- Biological control
Notes: "Issued July 1982"--T.p. verso

Bibliography: p. 7