Havron, A., Rosen, D., Prag, H., & Rössler, Y. 1991 Selection for pesticide resistance in Aphytis: I.A. holoxanthus, a parasite of the Florida red scale.. Entomologia Experimentalis et Applicata 61: 221-228.

Notes: Field-collected populations of Aphytis holoxanthus DeBach (Hymenoptera: Aphelinidae), a parasite of Chrysomphalus aonidum (L.) (Homoptera: Diaspididae), were tested for malathion and for azinphosmethyl tolerance, and selected for increased resistance.