Spollen, K.M., Rosenheim, J.A., & Hoy, M.A. 1994 Intraspecific variation in response to pesticides in Aphytis melinus DeBach from California citrus: results of natural and artificial selection between 1984 and 1991.. Advances in the Study of Aphytis (Hymenoptera: Aphelinidae). Intercept Andover, U.K. 362 pp.
Notes: Overview of the artificial selection of this California red scale parasitoid; describes projects underway which will determine whether artificial selection projects with parasitoids are cost-effective and beneficial for IPM programs.