Destructive and useful insects : their habits and control /
Metcalf, Robert Lee,1916-
Metcalf, Robert A.
Metcalf, C. L.(Clell Lee),1888-1948.Destructive and useful insects.
New York, N.Y. ; London : McGraw-Hill,
c1993.
Rev. ed. of: Destructive and useful instects / C.L. Metcalf, W.P. Flint. 4th ed. c1962.
Includes bibliographical references and index.
Insect pests.
Beneficial insects.
Insect pests