Blumberg, D., & Swirski, E. 1982 Comparative studies of the development of two species of Metaphycus (Hymenoptera: Encyrtidae), introduced into Israel for the control of the Mediterranean black scale, Saissetia oleae (Olivier) (Homoptera: Coccidae).. Acta Ecologica / Ecologia Applicata 3(3): 281-286.

Notes: Summary/abstract in: French. Abstract: M. bartletti more likely to survive year round & become well established for control of Saissetia oleae in citrus grove than M. swirskii. Keywords: biological control.