283303115Provided is a tetrazolinone compound given by formula (1) (wherein E represents the following group E16 or the like Y represents O CH or the like Q represents the following group Q46 or the like R represents a C1 C6 alkyl group R R and R may be the same or different and represent hydrogen atoms or the like A represents a C6 C16 aryl group or the like optionally having one or more atoms or groups selected from the group P R represents a C1 C3 alkyl group and X represents an oxygen or sulfur atom) and having exceptional efficacy in controlling harmful organisms.