1,2,3-triazole derivative and insecticide and acaricide containing said derivative as active ingredient

A 1,2,3-triazole derivative represented by the following formula (1):

• wherein in the formula (1):
• R is an ethyl group;
• n represents an integer of 0 to 2;
• W1 and W2 are CH;
• X is a hydrogen atom, a halogen atom, a cyano group, a C1-C6 alkyl group that may be substituted with a cyano group, a C3-C6 cycloalkyl group that may be substituted with a cyano group, a C1-C6 alkoxy group, a C1-C6 haloalkyl group that may be substituted with a cyano group, a C1-C6 haloalkoxy group, a C1-C6 alkylcarbonyl group, a C1-C6 alkylthio group, a C1-C6 alkylsulfinyl group, a C1-C6 alkylsulfonyl group, a C1-C6 haloalkylthio group, a C1-C6 haloalkylsulfinyl group, a C1-C6 haloalkylsulfonyl group, a C1-C6 alkylamino group, a (C1-C6 alkoxy)carbonyl group, a di(C1-C6 alkyl)amino group, a (C1-C6 alkyl)carbonylamino group, a (C1-C6 alkyl)carbonyl(C1-C6 alkyl)amino group, an N—(C1-C6 alkyl)carbamoyl group, an N,N′-di(C1-C6 alkyl)carbamoyl group, a pentafluorosulfanyl group, or an aryl group that may be substituted with a halogen atom;
• m represents an integer of 1 to 4 and when m represents an integer of 2 or more, respective X may be the same or different;
• Q is a pyridyl group that may be substituted with one or more groups selected from the group consisting of a halogen atom, a cyano group, a C1-C6 alkyl group that may be substituted with a cyano group, a C3-C6 cycloalkyl group that may be substituted with a cyano group, a C1-C6 alkoxy group, a C1-C6 haloalkyl group that may be substituted with a cyano group, a C1-C6 haloalkoxy group, a C1-C6 alkylthio group, a C1-C6 haloalkylthio group, a C1-C6 alkylsulfinyl group, a C1-C6 alkylsulfonyl group, a C1-C6 alkylcarbonyl group, a C1-C6 haloalkylcarbonyl group, and a pentafluorosulfanyl group;
• and
• Z is a hydrogen atom, a halogen atom, or a C1-C6 alkyl group.