Selecting for insecticide resistance in a California red scale parasitoid
Jay A. Rosenheim, University of Hawaii
Marjorie A. Hoy, University of California
James R. Stewart
California Agriculture 43(1):17-18. DOI: 10.3733/ca.v043n01p17.
Jay A. Rosenheim is Assistant Entomologist, Department of Entomology, University of Hawaii, Honolulu; Marjorie A. Hoy is Professor, Department of Entomological Sciences, University of California, Berkeley; James Gorden is Pest Control Advisors, Pest Management Associates, Exeter, California. James R. Stewart is Pest Control Advisors, Pest Management Associates, Exeter, California.
Natural insecticide resistance of a biological control agent of California red scale was augmented in the laboratory, suggesting that selected strains of the parasitoid, Aphytis melinus, may be able to survive in citrus groves sprayed with carbaryl.
The authors thank T. S. Bellows, L. E. Caltagirone, R. Frinfrock, H. J. Griffiths, R. F. Luck, J. G. Morse, J. L. Robertson, D. Rosen, D. J. Sandri, T. S. Shanower, G. Thomson, S. C. Warner, and D. S. Yu for assistance. This project was supported in part by USDA Competitive Grant #84–CRCR–1–1452, Regional Research Project W–84, and under a National Science Foundation Graduate Fellowship to J.A.R.