To provide a pest controlling agent having a high penetration transfer activity and reduced toxicity against surroundings of application.

This compound is a derivative of 1-aryl-3-cyano-5- heteroarylalkylaminopyrazole expressed by formula (1). (X is N or a C-halogen group; R1 is a haloalkyl or a halogen atom; R2 is H or an alkyl or an acyl; R3 is H or an alkyl, A is group of formula A-1 to A-4; R4 is H, an alkyl or a halogen atom; and m and n are each 0 or 1).