Blumberg, D., & Swirski, E. 1977a Release and recovery of Metaphycus spp. (Hymenoptera: Encyrtidae) imported for the control of the Mediterranean Black Scale, Saissetia oleae (Olivier), in Israel.. Phytoparasitica 5(2): 115-118.

Notes: Abstract: Addresses problem of severe damage of citrus by Saissetia oleae on fruits grown for export in Coastal Plain of Israel; value of Metaphycus spp. examined for biological control. Keywords: biological control.