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P. H. Clark

United States Department of Agriculture

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Publication

Featured researches published by P. H. Clark.

Journal of Economic Entomology | 1967

Resistance of body lice to carbaryl.

P. H. Clark; M. M. Cole

Journal of Economic Entomology | 1973

Resistance to malathion in a strain of body lice from Burundi.

M. M. Cole; P. H. Clark; F. Washington; W. Ellerbe; D. L. Vannatta

Journal of Economic Entomology | 1969

Failure of laboratory colonies of body lice to develop resistance to malathion.

M. M. Cole; P. H. Clark; D. E. Weidhaas

Journal of Economic Entomology | 1958

Sleeve Tests with Malathion Powders against DDT-Resistant Body Lice

M. M. Cole; P. H. Clark; D. E. Weidhaas

Journal of Economic Entomology | 1968

Systemic Insecticides for Control of Oriental Rat Fleas: Bait Tests with Hooded White Rats

P. H. Clark; M. M. Cole

Journal of Economic Entomology | 1964

Laboratory studies on resistance of the body louse to insecticides.

P. H. Clark; M. M. Cole

Journal of Economic Entomology | 1971

Systemic insecticides for control of oriental rat fleas : preliminary tests in guinea pigs, 1967-69.

P. H. Clark; M. M. Cole

Journal of Economic Entomology | 1965

Laboratory Evaluation of Promising Systemic Insecticides in Guinea Pigs Against Oriental Rat Fleas

P. H. Clark; M. M. Cole

Journal of Economic Entomology | 1974

Use of Radioisotopes to Detect Food-Coated Dichlorvos in Cotton Rat Burrows

B. J. Smittle; P. H. Clark; M. M. Cole

Journal of Economic Entomology | 1968

Systemic Insecticides for Control of Oriental Rat Fleas: Tests in Guinea Pigs

P. H. Clark; M. M. Cole

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M. M. Cole

United States Department of Agriculture

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D. E. Weidhaas

United States Department of Agriculture

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B. J. Smittle

United States Department of Agriculture

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D. L. Vannatta

United States Department of Agriculture

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F. Washington

United States Department of Agriculture

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W. Ellerbe

United States Department of Agriculture

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