Melamed-Madjar, V., Dept. of Entomology, ARO, Volcani Center, Bet Dagan, Israel
Muszkat, L., Dept. of Chemistry of Pesticides and Natural Products, ARO, Volcani Center, Bet Dagan, Israel
Kehat, M., Inst. of Plant Protection, ARO, Volcani Center, Bet Dagan, Israel
Dunkelblum, E., Inst. of Plant Protection, ARO, Volcani Center, Bet Dagan, Israel
Gothilf, S., Inst. of Plant Protection, ARO, Volcani Center, Bet Dagan, Israel
Cohen, E., Dept. of Entomology, Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot, Israel
Halperin, J., Dept. of Entomology, ARO, Volcani Center, Bet Dagan, Israel
Yizhar, Y., Div. of Plant Protection, Extension Service, Ministry of Agriculture, Israel
Cohen, M., Div. of Plant Protection, Extension Service, Ministry of Agriculture, Israel
Ausher, R., Div. of Crop Protection, Extension Service, Ministry of Agriculture, Tel Aviv, Israel

[No abstract available]