PROBLEM TO BE SOLVED: To basically eliminate the trouble and cost of replacing parts and the like over time. SOLUTION: A generator 31 and a capacitor 32, which are power generation and storage units for generating and storing electricity, and electrodes provided in a passage through which pests pass and arranged to receive power from the power generation and storage unit to energize the pests. A certain blade 33 and a housing wall 22 are provided. [Selection diagram] Fig. 1【課題】時間経過によっても基本的に部品等の交換の手間やコストを不要とする。【解決手段】発電及び蓄電する発電蓄電部である発電機31と蓄電器32と、害虫が通過する通路に設けられ、前記発電蓄電部から給電を受けて前記害虫に通電すべく配置された電極である羽根33と筐体壁22とを具備する。【選択図】図1