Disclosed herein is a pesticidal composition comprising a carboxamide compound represented by following formula (A), wherein R1 represents a hydrogen atom or a methyl group, and R2 represents a methyl group, a difluoromethyl group or a trifluoromethyl group, and a diamide compound represented by following formula (B), wherein X1, X2, X3, X4 and X5 have the same meanings as defined in the specification.
