A pyridine compound represented by formula (1)[wherein: R1 represents a C2-C10 haloalkyl group or the like R2 represents a C1-C6 alkyl group optionally having one or more halogen atoms or the like R3 represents a C1-C6 chain hydrocarbon group or the like R6 represents a C1-C6 alkyl group optionally having one or more halogen atoms or the like n represents 0, 1, or 2 p and q represent each independently 0, 1, 2, or 3] or an N-oxide thereof has excellent control efficacies against harmful arthropods.
