To provide a diaryl-azole compound represented by formula (1) having an excellent controlling effect against arthropod pests, a control agent having an excellent controlling effect against arthropod pests, and a method for controlling arthropod pests in which the control agent is used. R 1-3 : C 1-6 chain hydrocarbon, etc. p: 0-3 q: 0-4 n: 0-2 X: N, CH, etc. Ar: phenyl, 5-6-member aromatic heterocyclic ring G: C 1-6 chain hydrocarbon etc. Het: formulas (H1) (H2) (H3)