Disclosed is an arthropod pest control composition having an excellent controlling effect on arthropod pests, which comprises an amide compound represented by formula (a), a spinosin compound represented by formula (1), wherein R1, R2, X1, X2 are defined in the present claims, and one or more compounds selected from Group (A), consisting of fipronil, pymetrozine, a compound represented by formula (b) and a neonicotinoid compound containing a nitroguanidine structure.
