SEASONAL ABUNDANCE OF THE WHITEFLY Trialeurodes ricini (MISRA) (HOMOPTERA :ALEYRODIDAE) ON SOME WEEDS AND ON CASTOR PLANTS IN QALYUBIA, EGYPT

Document Type : Research articles

Authors

• Sh. Abd-Rabou ¹
• N. Hussein ¹
• G. H. Sewify ²
• S. Elnagar ²

¹ Plant Protection Research Institute, Agriculture Research Center, Cairo

² Department of Economic Entomology, Faculty of Agriculture, University of Cairo