oa Journal of the Entomological Society of Southern Africa - The value of bioecological studies to insect control in South Africa



Before the advent of modern synthetic organic insecticides, entomologists had only a limited choice at their disposal. Available insecticides had to be used to best advantage by exploiting their mode of action superimposed on a detailed knowledge of the biology of the pest species. Depending on specific biological characteristics of the pest species such as feeding behaviour, whether they live in or on a commodity, mobility of the different developmental stadia, etc., the insecticide was selected on its mode of action, viz. its stomach toxicity, contact action, fumigant action, smothering ability, and so on.


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