Novel pesticide, especially insecticides or miticides are provided.
Pyrazole derivative and pesticides represented by the formula (1):
wherein A
1
is —N(O)
m2
or —CR
1
, each of R
1
, R
3
, R
4
is a hydrogen atom, a halogen atom, C
1
-C
6
alkyl or the like, R
a
is a hydrogen atom, C
1
-C
6
alkyl or the like, R
b
is —C(O)R
7
, —C(O)N(R
8a
)R
8
or the like, each of R
7
, R
8
, R
8a
is a hydrogen atom, C
1
-C
6
alkyl or the like, and m1 is an integer of 0 or 1.