A tetrazolinone compound of a formula (1): ** Formula ** [in which ** Formula ** Q represents a group selected from the following group: Q1, Q2, Q3 or Q4: ** Formula ** R1, R2, R3 and R11 independently represent each other a hydrogen atom, a halogen atom, a cyano group, a nitro group, an amino group, a hydroxy group, a thiol group, a C2-C6 alkenyl group, a C2 haloalkenyl group -C6, a C2-C6 alkynyl group, a C2-C6 haloalkynyl group, a C1-C6 alkoxy group, a C1-C6 haloalkoxy group, a C1-C8 alkylamino group, a C1-C8 haloalkylamino group, a C1-alkylthio group C6, a C1-C6 haloalkylthio group, a C1-C6 alkylsulfinyl group, a C1-C6 haloalkylsulfinyl group, a C1-C6 alkylsulfonyl group, a C1-C6 haloalkylsulfonyl group, a pentafluorosulfanyl group, a C3-C9 trialkylsilyl group, a group C2-C6 alkylcarbonyl, a C2-C6 alkoxycarbonyl group, a C2-C8 alkylaminocarbonyl group, a C1-C6 alkyl group, optionally having one or more s groups selected from the P1 group or a C3-C6 optionally having one or more groups selected from the group P1； R4 and R5 independently represent each other a hydrogen atom, a halogen atom or a C1-C3 alkyl group； R6 represents a C1-C4 alkyl group, a halogen atom, a C1-C4 alkoxy group, a cyano group, a nitro group, a C1-C4 haloalkyl group, a C2-C4 alkenyl group or a C2-C4 haloalkenyl group； R7, R8 and R9 independently represent each other a hydrogen atom, a halogen atom, a C1-C3 alkyl group, a C1-C3 haloalkyl group, a C2-C3 alkenyl group, a C2-C3 haloalkenyl group or an alkoxy group C1-C3； R10 represents a C1-C3 alkyl group, a C1-C3 haloalkyl group, a C2-C3 alkenyl group, a C2-C3 haloalkenyl group, a C2-C3 alkynyl group, a C2-C3 haloalkynyl group, a C3-C5 cycloalkyl group or a C3-C5 halocycloalkyl group； X represents an oxygen atom or a sulfur atom； A1 and A3 independently represent each other a hydrogen atom, a halogen atom, a cyano group, a nitro group, an amino group, a hydroxy group, a thiol group, a C2-C6 alkenyl group, a C2-C6 haloalkenyl group , a C2-C6 alkyn
