A tetrazolinone compound represented by formula (1): wherein R 1 represents a C1-C3 alkyl group optionally having a fluorine atom, etc. R 2 and R 4 represents a hydrogen atom, etc. R 3 represents a hydrogen atom, etc. Z 1 represents a C1-C3 alkyl group optionally having a halogen atom, etc. Z 2 represents a C1-C3 alkoxy group optionally having a halogen atom, a C3-C4 alkynyloxy group, etc. Z 3 represents a hydrogen atom, a C1-C3 alkyl group optionally having a halogen atom, etc. and X represents an oxygen atom, etc., has excellent control activity against pests.
