Baqshan`s Chair for Bee Research, Plant Protection Department, College of Food and Agriculture Sciences, King Saud University, P.O. Box. 2460, Riyadh 11451, Saudi Arabia
Ahmad A. Al-Ghamdi
Baqshan`s Chair for Bee Research, Plant Protection Department, College of Food and Agriculture Sciences, King Saud University, P.O. Box. 2460, Riyadh 11451, Saudi Arabia
Abdelsalam A. Mohamed
Baqshan`s Chair for Bee Research, Plant Protection Department, Collegeof Food and Agriculture Sciences, King Saud University, P.O. Box. 2460,Riyadh 11451, Saudi Arabia