PROBLEM TO BE SOLVED: To provide a method capable of performing an insecticidal treatment of noxious insect having been parasitic to a material to be treated by easily bringing the inside of a treating space into a low oxygen state.SOLUTION: An insecticidal treatment apparatus comprises: a step of evacuating the air in a sealed processing space and a nitrogen press-fitting step of press-fitting nitrogen into the processing space after the air evacuating step. The inside of the treating space is brought into a low oxygen state thereby to suffocate the parasitic insect to parasitize to the material to be treated.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】容易に処理空間内を低酸素状態にし、被処理材に寄生した害虫を殺虫処理できる方法を提供する。【解決手段】殺虫処理装置は、密閉された処理空間内の空気を真空排気する工程と、真空排気工程後に処理空間内に窒素を圧入する窒素圧入工程とを有し、処理空間内を低酸素状態にして、被処理材に寄生する害虫を窒息死させる。【選択図】図1
