[Parasitoid of crop pest Aonidella aurantii; low efficacy] The parasltoid was colonized during 1985-89 and in 1993-94 it was recovered in all the surveyed areas. It has been permanently established and is more abundant in orchards with microclimatic conditions characteristic of intermediate and interior areas where Aphytis melinus DeBach is the dominant red scale parasite. Aphytis chrysomphali (Mereet) prevails only in some of the coastal areas with mild and rather humid microclimates. In the surveyed orchards the overall adult relative abundance of the three main parasitoids, A. melinus, A. chrysomphali and C. bifasciata was 54.1%, 42.1%, and 3.8%, respectively (Orphanides 1996).