Inducement capture efficiency of the insect of the insect machine which uses the shade characteristic tube body is raised, decrease of insect function and revolution fluctuation and stop of the shade characteristic tube body which causes breakdown are cancelled. When the shade characteristic tube body and the said shade characteristic tube outside the body lap stands up from the surface the blade and on the shade characteristic tube body both ends the flange and the rotary locus of the blade point and it provides with the insecticide which turns around the axis or the curve aspect which has insect immobilization expedient in the shade characteristic tube external edge limits which separate specified interval, the shade characteristic tube body turns, the said shade characteristic tube outside the body lap it makes the constitution which in the surface and blade and flange and the curve aspect forms the insect closed space. It provides the illuminant to shade characteristic tube internal, includes the insect inducement optical transmitted territory 1 to the shade characteristic tube body at least and constitutes. With when the electric motor which turns the shade characteristic tube body and the axial position sensor and the gap of axial position is inspected turns the electric motor conversely expedient and is returned to specified revolution expedient and the component which alienates the insect and the foreign material which exceed the specified size which makes the gap axial position of the said electric motor cause from the shade characteristic tube body providing, it constitutes.遮光性筒体を用いる捕虫機の虫の誘引捕獲効率を高め、捕虫機能の低減や故障を招く遮光性筒体の回転変動や停止を解消する。軸の周りに回転する遮光性筒体と該遮光性筒体外周面から起立するブレードと遮光性筒体両端にフランジとブレード先端の回転軌跡と所定の間隔を隔てた遮光性筒体外縁域に殺虫乃至虫不動化手段を備えた湾曲面とを設け、遮光性筒体が回転すると該遮光性筒体外周面とブレードとフランジと湾曲面とで捕虫閉鎖空間を形成する構成とする。遮光性筒体内に光源を設け、遮光性筒体には少なくとも1個の虫誘引光透過領域を含めて構成する。遮光性筒体を回転させる電動機と軸位置センサーと軸位置のずれを検知すると電動機を逆回転させる手段と所定の回転に復帰させる手段と該電動機の軸位置にずれを生じさせる所定の大きさを超える虫や異物を遮光性筒体より乖離させる部材とを設けて構成する。
