The present invention relates to a formulation comprising (a) at least one pesticide； and (b) at least one non-ionic surfactant of formula (I): R1-O-(AO)x-(H)； wherein R1 represents straight-chain or branched alkyl having 4 to 20 carbon atoms； AO is ethyleneoxy, propyleneoxy or a mixture of ethyleneoxy and propyleneoxy； and x correspond to values from 2 to 30； and (c) at least one ionic tristyrylphenyl alkoylate； and (d) at least one oil； and (e) water, wherein the pesticide is present in the aqueous phase in form of a suspension and the oil is essentially free of pesticide.
