A pyridine compound represented by the following general formula (1)； the pyridine compound in which R is a C1-C3 fluoroalkyl group or a C1-C3 fluoroalkoxy group； the pyridine compound in which R is a hydrogen atom； the pyridine compound in which R is a group represented by Q； a pesticidal composition containing the pyridine compound as an active ingredient； and a method of controlling a pest including applying an effective amount of the pyridine compound to the pest or a place where the pest inhabits, are provided.
