The invention belongs to the technical field of pesticides, and particularly relates to a pyridyl-substituted
triazole ring compound as well as a composition and application thereof. The compound is shown as a general formula I, wherein Y1 represents O or N-Y3; y2 represents an
alkyl group, a haloalkyl group, an alkenyl group, a haloalkenyl group, or the like; y3 each independently represents
hydrogen, an
alkyl group, a haloalkyl group, or the like; m1 and M2 respectively and independently represent N or CX4; r1, R3, R4, R5, X1, X3, and X4 each independently represent
hydrogen, cyano, nitro,
halogen,
alkyl, alkenyl, or the like; r2 represents a halogenated alkyl group; and X2 represents a halogenated
alkoxy group. The compound has excellent prevention and treatment effects on
spodoptera frugiperda, armyworm, prodenia litura and the like.