INSECT PEST CONTROLLING MATERIAL

摘要

PROBLEM TO BE SOLVED: To obtain an insect pest controlling material capable of efficiently transpiring a transpirable material such as an essential oil or the like and retaining an effective concentration of the transpirable material for a long time. SOLUTION: This insect pest controlling material 10 comprises at least three laminated layers of a carrier impregnated with a transpirable insect pest controlling material, and gas permeable resin films 12 are installed between the layers of the carrier, and at least are gas permeable resin film 12 is installed in a space between at least 2 layers of the carrier.