A composition comprising a carboxamide compound represented by following formula (I), wherein R represents a hydrogen atom or a methyl group, and Rrepresents a methyl group, a difluoromethyl group or a trifluoromethyl group, and one or more pyrethroid compounds selected from group (A) consisting of tefluthrin, lambda-cyhalothrin, cypermethrin, beta-cyfluthrin, permethrin, deltamethrin and bifenthrin is provided by the present invention, and this composition has an excellent pesticidal effect.
