The present invention relates to an arthropod pest control composition comprising a compound represented by formula (I) wherein each symbol represents the definition in the description, a compound represented by formula (Il) wherein A1 represents a methyl group and A2 represents a chlorine atom or a cyano group, and one or more compounds selected from Group (A)； Group (A) : a group consisting of isotianil, probenazole, tiadinil, tricyclazole, orysastrobin, and pyroquilon, and relates to a method for controlling arthropod pests based on the arthropod pest control composition. The present arthropod pest control composition has excellent control effect on arthropod pests.
