Davidson, Ralph Howard.
Insect pests of farm, garden, and orchard / Ralph H. Davidson, William F. Lyon. - 8th ed. - New York : Wiley, c1987. - xiii, 640 p. : ill. ; 23 cm.
Includes bibliographies and index.
047101124X
B-21964
86023421
Insect pests.
Insect pests--North America.
Insect pests--Control.
SB931 / .D38 1987
632/.7
Insect pests of farm, garden, and orchard / Ralph H. Davidson, William F. Lyon. - 8th ed. - New York : Wiley, c1987. - xiii, 640 p. : ill. ; 23 cm.
Includes bibliographies and index.
047101124X
B-21964
86023421
Insect pests.
Insect pests--North America.
Insect pests--Control.
SB931 / .D38 1987
632/.7