| abstract |
Disclosed is a composition having an excellent control effect against harmful arthropods. SOLUTION: Formula (1) [Wherein, A 1 and A 2 represent ═CH—, nitrogen or the like, R 1 represents halogen or the like, R 2 represents hydrogen or the like, R 3 and R 4 may be substituted C1-C4 Represents a chain hydrocarbon group, R 5 represents hydrogen or the like, and n represents 0 or 1. ] The harmful arthropod control crude product containing the heterocyclic compound represented by the above formula as an active ingredient has excellent harmful arthropod control efficacy. [Selection figure] None |