Synthetic insecticide with a new order of activity.
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Animals↗
Biomedical subjects
P H Needham
Publications and source records attributed to P H Needham.
Potent pyrethroid insecticides from modified cyclopropane acids.
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Comparison of the biology of Myzus persicae Sulz. resistant and susceptible to dimethoate.
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Damage to honey bee colonies (Apis mellifera) by insecticides in Great Britain, 1956-65.
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Bees↗
New pyrethrin-like esters with high insecticidal activity.
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