The objective of the present invention is to provide a repellent which has a selectivity. Specifically, the repellent does not cause damage to an Apidae bee but suppresses the aggression of a Vespidae wasp and prevents a Vespidae wasp from coming close and building a nest. Also, the objective of the present invention is to provide a method for repelling a Vespidae wasp. The Vespidae wasp repellent according to the present invention is characterized in comprising a compound represented by the following formula (I) as an active component:;;wherein R1 is hydrogen atom or the like, X is a C1-4 alkylene group or the like, α is a substituent, n is an integer of 0 or more and 5 or less.
