The present invention relates to a pesticidal composition and a pest control method which have an excellent efficacy in controlling pests. The pesticidal composition comprises an ester compound of Formula (1): wherein R1 and R2 are each independently selected from the group consisting of hydrogen atom, methyl group, trifluoromethyl group and chlorine atom； and R3 is hydrogen atom, methyl group or methoxymethyl group, a glycol ether, and water wherein the glycol ether content is from 10 wt % to 50 wt % and water is from 20 wt % to 85 wt % of the total amount of the composition.
