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 represents a hydrogen atom or a C1-C4 alkyl group, R2 represents a C1-C4 alkyl group, and X1 and X2 each represents a hydrogen atom, or X1 and X2 are taken together to form a single bond, and one or more compounds selected from Group (A): Group (A): the group consisting of fipronil, pymetrozine, a compound represented by formula (b): and a neonicotinoid compound containing a nitroguanidine structure.揭露一種對節肢害蟲具有極佳防制效果的節肢害蟲的防制組成物，其包含：由式(a)所示之醯胺化合物：由式(1)所示之斯皮諾素(spinosin)化合物：其中R1代表氫原子或C1-C4烷基，R2代表C1-C4烷基，且X1及X2各代表氫原子，或X1及X2係在一起以形成單鍵；以及一或多種選自群組(A)之化合物：群組(A)：該群組係由下列組成：芬普尼(fipronil)；派滅淨(pymetrozine)、式(b)所示之化合物：及包含硝胍結構的擬新菸鹼(neonicotinoid)化合物。
