A pest control agent containing a compound represented by the followingFormula(1), wherein A represents a carbon atom, a nitrogen atom, or the like, Krepresents anon--metal atom group necessary for forming a cyclic linking group derivedfrom a 5- or6--membered aromatic ring, in combination with A and two carbon atoms to whichA bonds, Xrepresents a hydrogen atom, a halogen atom, or the like, n represents aninteger of from 0 to 4,T represents -C(=G1)-Q1 (wherein G1 and G2 represent an oxygen atom or thelike, Q1represents a phenyl group which may have a substituent, a heterocyclic groupwhich mayhave a substituent, or the like), or the like, Q2 represents a phenyl group orthe like, G3represents an oxygen atom or the like, and R1 and R2 each independentlyrepresent a hydrogenatom, a C1-C6 alkyl group, or a group represented by -L-D, or the like(provided that at leasteither R1 or R2 represents a group represented by -L-D); as an activeingredient exhibits anexcellent effect.(see formula 1)