There are many benefits to mixing pesticides including controlling a broad spectrum of pest species and overcoming the phenomenon of insect resistance to the action of pesticides. Two field experiments were conducted during the 2019 and 2020 seasons, at Alwakeel village, El-Beheira Governorate, Egypt to investigate the efficacy of abamectin and thiamethoxam mixture (AB+THIA) against the whitefly, Bemisia tabaci. The mixture gave a high reduction of whiteflies, where the general means of initial and residual reduction percentage of adult stages were 83.