Fuente: WIPO "tomato" The present disclosure relates to a method of controlling whiteflies and other sucking pests, that are known to be resistance against conventional insecticides, by feeding blocker aqueous insecticidal composition comprising: an agrochemically effective amount of Pyrifluquinazon and an agrochemically effective amount of Flonicamid. The present invention also relates to a process for preparing the said composition and its use for crops.