oa Journal of the Entomological Society of Southern Africa - The relative potency of BHC sprays and dusts against hoppers of the brown locust



Since contact insecticides are nowadays generally made available in dust as well as in spray form, the consumer has the choice between two methods of insect control. His choice may be largely influenced by economic considerations, especially when large quantities of insecticides are likely to be used very frequently, as is generally true for the control of locust outbreaks in many parts of the world. Important considerations are relative potency, cost, bulkiness and ease of application. The main object of the present study was to assess the relative potency of BHC dusts and sprays against hoppers of the brown locust, Locustana pardalina (Walk.)


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