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An ecological survey of insects of a Pennsylvania farmstead

An ecological survey of insects of a Pennsylvania farmstead

Angle, Robert H.

Text (1956)

Part of Electronic Theses & Dissertations

Laboratory comparisons of the effects of wheat protectants on stored grain insects

Laboratory comparisons of the effects of wheat protectants on stored grain insects

Dominick, Harvey John

Text (1953)

Part of Electronic Theses & Dissertations

An evaluation of the impact of the Saratoga spittlebug, A̲p̲h̲r̲o̲p̲h̲o̲r̲a̲ s̲a̲r̲a̲t̲o̲g̲e̲n̲s̲i̲s̲ (Fitch), on the growth of red pine, P̲i̲n̲u̲s̲ r̲e̲s̲i̲n̲o̲s̲a̲ Ait

An evaluation of the impact of the Saratoga spittlebug, A̲p̲h̲r̲o̲p̲h̲o̲r̲a̲ s̲a̲r̲a̲t̲o̲g̲e̲n̲s̲i̲s̲ (Fitch), on the growth of red pine, P̲i̲n̲u̲s̲ r̲e̲s̲i̲n̲o̲s̲a̲ Ait

Heyd, Robert Lewis

Text (1978)

Part of Electronic Theses & Dissertations

Effects of various DDT formulations on the control of insects common to potatoes and beans

Effects of various DDT formulations on the control of insects common to potatoes and beans

Blomer, Arthur Warren

Text (1953)

Part of Electronic Theses & Dissertations

Studies on the biology and control of Lygus oblineatus (Say)

Studies on the biology and control of Lygus oblineatus (Say)

Zia-ud-Din, 1920-

Text (1950)

Part of Electronic Theses & Dissertations