Destructive and useful insects :
Metcalf,Robert Lee, 1916-
Destructive and useful insects : their habits and control / Robert L. Metcalf, Robert A. Metcalf. - 4th ed. - New York : McGraw-Hill, c1962. - xii, 1078 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0070416923
Insect pests.
Beneficial insects.
Insect pests--Control.
SB931 / M48 1962
Destructive and useful insects : their habits and control / Robert L. Metcalf, Robert A. Metcalf. - 4th ed. - New York : McGraw-Hill, c1962. - xii, 1078 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0070416923
Insect pests.
Beneficial insects.
Insect pests--Control.
SB931 / M48 1962