A compound represented by formula (I)[wherein:Q represents a group represented by formula Q1 or the like； A1 represents a CR7 or the like；A2 represents a NR8A or the like；A4 represents a nitrogen atom or the like；A5 represents a nitrogen atom or the like；A6 represents a nitrogen atom or the like；R1 represents a cyclopropyl group or the like；R2 represents a 5-10 membered heterocyclic group optionally having one or more substituent(s) selected from Group B；R3 and R7 represent each independently a C1-C6 chain hydrocarbon group optionally having one or more halogen atom(s), or the like；R8A represents a C1-C6 chain hydrocarbon group optionally having one or more substituent(s) selected from Group D, or the like；X1 represents an oxygen atom or the like；L represents a single bond or the like； andn represents 0, 1, or 2]has excellent control efficacies against harmful arthropods.
