A pyridine compound represented by general formula (I):(wherein, R1 represents a C1-C7 alkyl group optionally substituted by halogen, or the like, m represents an integer of 1 to 5, A represents a single bond, an oxygen atom, a sulfur atom, or the like, R2 represents a C1-C7 alkyl group optionally substituted by halogen, or the like.) a pest controlling composition comprising as an active ingredient the pyridine compound a pest controlling method comprising applying the pyridine compound to a pest or a place where a pest inhabits.