oa Journal of the Entomological Society of Southern Africa - Susceptibility of long mussel scale, Insulaspis gloverii (Packard) (Hemiptera: Diaspididae), to three insecticides
The possibility of organophosphate resistance in Insulaspis glocerii (Packard) was investigated for the insecticides parathion, chlorpyriphos and triazophos against two populations from Letaba (E Tvl) and the other from Addo (Eastern Cape). A third population from Nelspruit was used as a susceptible reference population. The Letaba population was found to be fairly resistant to parathion.
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