A heterocyclic compound represented by formula (1):
wherein A
1
, A
2
, R
1
, R
2
, R
3
, R
4
, n and so on are defined in tha description,
has an excellent control effect on arthropod pests and is useful for control of arthropod pests.
一种由式(1)表示的
杂环化合物:其中A1、A2、R1、R2、R3、R4、n等在描述中定义,对节肢动物害虫有优异的控制效果,适用于节肢动物害虫的控制。