The present invention provides a compound having an excellent efficacy for controlling pests. A tetrazolinone compound of a formula (1): [wherein, R1 represents an C6-C16 aryl group, an C1-C12 alkyl group, a C3-C12 cycloalkyl group or an adamantyl group, etc., which each optionally be substituted R2 represents a hydrogen atom, an C1-C12 alkyl group, or a halogen atom, etc. R4 and R5 represent independently of each other a hydrogen atom or an C1-C3 alkyl group, etc. R6, R7, R8 and R9 represent independently of each other a hydrogen atom, a halogen atom, an C1-C12 alkyl group, a C1-C12 haloalkyl group, an C2-C12 alkenyl group, a C3-C12 cycloalkyl group, an C1-C12 alkoxy group or a C1-C12 haloalkoxy group, etc. X and Y represent independently of each other a sulfur atom or an oxygen atom Q represents an oxygen atom or a sulfur atom and R10 represents an C1-C6 alkyl group, etc.] shows an excellent controlling efficacy on pests.本發明提供一種對控制病蟲害具有優越效果的化合物。一種式(1)之四唑啉酮化合物對病蟲害顯現優越的控制效果:[其中,R1表示C6-C16芳基、C1-C12烷基、C3-C12環烷基或金剛烷基等,其各視需要經取代;R2表示氫原子、C1-C12烷基、或鹵素原子等;R4和R5各自獨立地表示氫原子或C1-C3烷基等;R6,R7,R8和R9各自獨立地表示氫原子、鹵素原子、C1-C12烷基、C1-C12鹵烷基、C2-C12烯基、C3-C12環烷基、C1-C12烷氧基或C1-C12鹵烷氧基等;X和Y各自獨立地表示硫原子或氧原子;Q表示氧原子或硫原子;以及R10表示C1-C6烷基等。]
