1212Disclosed 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 R R X X 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.
