Claim 1: A tetrazolinone compound of a formula (1) [characterized in that R¹ represents a Cilo aryl group that optionally has one or more atoms or groups selected from the P group, a C₁₋₁₂ alkyl group that optionally has one or more atoms or groups selected from group P, a C ciclo cycloalkyl group that optionally has one or more atoms or groups selected from group P, a C un alkenyl group that optionally has one or several atoms or groups selected from group P, a group C₃₋₁₂ cycloalkenyl which optionally has one or more atoms or groups selected from the group P,a C₂₋₁₂ alkynyl group that optionally has one or several atoms or groups selected from the group P, a C₂₋₁₂ acyl group that optionally has one or several atoms or groups selected from the group P or a hydrogen atom (provided that, when the aryl group C₆₋₁₆,c. Rental group c83218c318321; 832222;el grupo cicloalquilo Cthe Cque alkenyl group,the C₃₋₁₂ cycloalkenyl group,the C₂₋₁₂ alkynyl group or the C₂₋₁₂ acyl group has two or more atoms or groups selected from the group P, where the substituents consist of the atoms and the groups may be the same or different from each other);R2 and R3 represent them independently,One hydrogen atom, one c832131 asphalt group;a haloalkyl group C₁₋₃,a C₂₋₁₂-carbonyl alkoxy group, a hydroxycarbonyl group or a halogen atom; R⁴ and R⁵ represent, independently of each other,a hydrogen atom, a halogen atom or a C₁₋₃ alkyl group;R8310a represents a c832131 and 832626 rental group,a C₃₋₆ cycloalkyl group,a halogen atom, a C₁₋₆ haloalkyl group,a C₂₋₆ alkenyl group,One alcoxi c83217c831832626,a C₁₋₆-thio alkyl group, a C₂₋₆ alkynyl group,a. Nitric acid group, one cyanogen group and one aminic carbide group can be selected to contain c833126 tar group;a haloalkenyl group C grupo,a haloalkynyl group C₂₋₆,a C₃₋₆ halocycloalkyl group,a haloalkoxy group C₁₋₆,a C₁₋₆-thio haloalkyl group, a C₃₋₆-oxy cycloalkyl group, a C₃₋₆-oxy halocycloalkyl group, a C₃₋₆-oxycycloalkyl group, a C₃₋₆-oxy alkenyl