The authors thank Bonnie Beffa, Steve Lorenzato, and Sherita Normington for technical
assistance; Rohm & Haas and Uniroyal Chemical Companies for providing acaricides;
and Dellavalle Laboratories for use of their facilities. They are also grateful to
the growers and pest control advisors for use of cotton fields. This project was supported
in part by funds from the UC/IPM pro gram, CPCSD, Cotton Incorporated, and the Environ
mental Monitoring and Pest Management Division of the California Department of Food
and Agriculture. The rapid bioassay dishes and testing service are currently available
from Insect Lore Products, P.O. Box 1535, Shafter, Ca 93263.