A pest control agent comprising an aromatic compound represented by formula (1) wherein R1 represents a halogen atom, etc. R3 represents a hydrogen atom, etc. R7 represents a C1-C3 alkyl group optionally having one or more halogen atoms, etc. Z2 represents a halogen atom, etc. Z3 represents a C1-C3 alkyl group optionally having one or more halogen atoms, etc. and Q represents the following group Q1, Q2, or Q3 has excellent control activity.
