PROBLEM TO BE SOLVED: To provide a compound having excellent control effect on pests.SOLUTION: This invention provides a tetrazolinone compound represented by formula (1), where Q represents the following groups, where R, R, Rand Rare halogen, an alkyl group or the like; Rand Rare hydrogen, halogen, an alkyl group or the like; Ris an alkynyl group or a cycloalkyl or the like; R, Rand Rare hydrogen, halogen or the like; Ris an alkyl group or the like; and X is an O atom or the like.【課題】有害生物に対して優れた防除効力を有する化合物の提供。【解決手段】式(1)で示されるテトラゾリノン化合物〔Qは、下記を表し;R1、R2、R3およびR11は、ハロゲン、アルキル基等;R4およびR5は水素、ハロゲン、アルキル基等;R6は、アルキニル基またはシクロアルキル等;R7、R8およびR9は水素、ハロゲン等;R10は、アルキル基等;Xは、O原子等を表す。〕【選択図】なし