Disclosed is a tetrazolinone compound having a high pest control effect and represented by the formula (1): wherein R 1 , R 2 , R 3 , and R 11 each represent a halogen atom, a C1-C6 alkyl group, or the like; R 4 and R 5 each represent a hydrogen atom, a halogen atom, a C1-C3 alkyl group, or the like; R 6 represents a C1-C3 alkyl group which may have a halogen atom(s) or the like; R 7 , R 8 , and R 9 each represent a hydrogen atom, a halogen atom, or the like; R 10 represents a C1-C3 alkyl group or the like; R 12 represents a C1-C6 alkyl group, a C3-C6 cycloalkyl group, or the like, and R 13 represents a C1-C6 alkyl group, a C2-C6 alkenyl group, or the like.