PROBLEM TO BE SOLVED: To obtain an insecticide which has excellent insecticidal efficacy and gives slight unpleasant feeling to users and an insecticidal spray filled a closed vessel having atomization apparatus with this kind of insecticide. SOLUTION: This insecticide includes a eucalyptus oil and a peppermint oil in an amount of 10:90-90:10 at the volume ratio, and the insecticidal spray is made by filling the closed vessel having atomization apparatus with an ethanolic solution containing the above insecticide.
