Pest control composition containing a novel iminopyridine derivative

Provided is a pest control composition comprising an iminopyridine derivative represented by the following formula (I) and at least one other pest control agent: embedded image wherein Ar is An optionally substituted 5-6 membered heterocycle, A represents a heterocycle having a 5-10 membered unsaturated bond containing one or more nitrogen atoms, R adjacent to the nitrogen atom present on the ring; A group having an imino group substituted, Y represents hydrogen, halogen or the like; R represents a group represented by the following formulas (a) to (e), (y) and (z): Indicate any].