The present invention provides a compound having an excellent efficacy for controlling pests. A tetrazolinone compound of a formula (1) [wherein Q represents a group selected from the following group: Q1, Q2, Q3 or Q4: R1, R2, R3 and R11 represent independently of each other a halogen atom, an CI-C6 alkyl group, etc.； R4 and R5 represent independently of each other a hydrogen atom, a halogen atom or an C1-C3 alkyl group, etc.； R6 represents a halogen atom, an C1-C4 alkyl group, etc.； R7, R8 and R9 represent independently of each other a hydrogen atom, a halogen atom, etc.； and R10 represents an C1-C3 alkyl group, etc.] shows an excellent controlling efficacy on pests.
