Insect pests of farm, garden, and orchard /
Davidson, Ralph Howard.
Insect pests of farm, garden, and orchard / Ralph H. Davidson, William F. Lyon. - 7th ed. - New York : Wiley, c1979. - xii, 596 p. : ill.
0471863149
Insect pests.
Insect pests--North America.
Insect pests--Control.
SB931 / .P34 1979
632/.7/097
Insect pests of farm, garden, and orchard / Ralph H. Davidson, William F. Lyon. - 7th ed. - New York : Wiley, c1979. - xii, 596 p. : ill.
0471863149
Insect pests.
Insect pests--North America.
Insect pests--Control.
SB931 / .P34 1979
632/.7/097