*Tolerance tests were conducted on western flower thrips to the insecticide lambda-cyhalothrin using the Brindley bioassay-bag technique described in "Portable incubator and its use in insecticide bioassays with field populations of lygus bugs, aphids, and other insects including Acyrthosiphon pisum and Lygus hesperus," by W. A. Brindley, D. H. Al-Rajhi, and R. L. Rose, which appeared in the Journal of Economic Entomology, Issue No. 75, pp. 758-760, 1982.

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