Disclosed is a pest control agent having an excellent effect, which contains, as an active ingredient, a compound represented by general formula (1). (In the formula, A represents a carbon atom, a nitrogen atom or the like； K represents a non-metal atomic group necessary for forming, together with A and two carbon atoms bonded to A, a cyclic linking group derived from a five-membered or six-membered aromatic ring； X represents a hydrogen atom, a halogen atom or the like； n represents an integer of 0-4； T represents -C(=G)-Q (wherein G and G each represents an oxygen atom or the like, and Q represents an optionally substituted phenyl group, an optionally substituted heterocyclic group or the like) or the like； Q represents a phenyl group or the like； G represents an oxygen atom or the like； and R and R independently represent a hydrogen atom, a C-C alkyl group, a group expressed as -L-D, or the like (provided that at least one of R and R represents a group expressed as -L-D).)
