Pest controlling agent

A compound represented by formula (1) or a salt thereof, or an N-oxide thereof. [In formula (1), X1 represents an oxygen atom, a sulfur atom, NY1, or C(J5J6), n represents 0 or 1, J1-J4 each represent a hydrogen atom, a halogen atom, a (halo)alkyl group, an alkoxy group, a hydroxy group, or a group that is obtained as a result of combining of two bonds of C-J1 and C-J2 or C-J3 and C-J4 and that is selected from the group consisting of an O atom in a carbonyl group, an S atom in a thiocarbonyl group, an imino group, and a methylene group, D represents a group selected from the group consisting of a phenyl group and a heterocyclic group, B represents a structure represented by any one of B-1 to B-6 and B-8, R12 represents a group selected from the group consisting of (halo)alkyl groups and halo(C3-C6) cycloalkyl groups, m represents 0, 1, or 2, G2 represents a nitrogen atom or C(R2) and G4 represents a nitrogen atom or C(R4), but one or both of G2 and G4 are nitrogen atoms, G5 represents a nitrogen atom or C(R5), G6 represents a nitrogen atom or C(R6), G7 represents a nitrogen atom or C(R7), and G8 represents a nitrogen atom or C(R8)].