The present invention provides a pesticidal composition comprising a compound represented by the formula (I): wherein A, B, R, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and R 7 are as defined in the description, and 2,6-dichloro-4-(3,3-dichloroallyloxy)phenyl 3-[5-(trifluoromethyl)-2-pyridyloxy]propyl ether as active ingredients, and also provides a pest control method which comprises the step of applying an effective amount of the compound represented by the above formula (I) and an effective amount of 2,6-dichloro-4-(3,3-dichloroallyloxy)phenyl 3-[5-(trifluoromethyl)-2-pyridyloxy]propyl ether to pests or a place where pests inhabit.