1234561A tetrazolinone compound represented by formula (1) (in the formula R and R are the same or different and represent a hydrogen atom or the like; R represents a C1 C6 alkyl group or the like; R R and R are the same or different and represent a hydrogen atom or the like; A represents a C6 C10 aryl group or the like which may have one or more atoms or groups selected from group (P); Q represents group (Q1) or the like; and X represents an oxygen atom or the like). The tetrazolinone compound has an excellent pest control effect.