A Pesticide composition comprising from 10 to 90% by weight of a methylated Vegetable Oil with less than 10% by weight of methyl esters of saturated fatty acids and less than 10% by weight of fatty acid methyl esters of carbon chain length of less than 0.1 to 9 CY (b) 0% by weight of one or more pesticides dissolved or dispersed in the methylated Vegetable Oil.Una composición pesticida que comprende a) del 10 al 90% en peso de un aceite vegetal metilado con menos del 10% en peso de esteres metílicos de ácidos grasos saturados y menos del 10% en peso de esteres metílicos de ácidos grasos de longitud de cadena de carbono de menos de Cy b) del 0,1 al 90% en peso de uno o varios pesticidas disueltos o dispersos en el aceite vegetal metilado.