oa Journal of the Entomological Society of Southern Africa - The sensitivity of six colonies of the red spider mite, Tetranychus cinnabarinus (Boisd.), to amitraz

Volume 48, Issue 2
  • ISSN : 0013-8789



The response of five field strains and one laboratory strain of Tetranychus cinnabarinus to amitraz was tested using a slide dip bio-assay technique. The different strains of mites responded differently to amitraz suggesting possible resistance. However, due to non-parallelism of some of the probit lines the degree of resistance could not be fully quantified.

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