PROBLEM TO BE SOLVED: To provide an insect trap which can prevent that an attracted insect perches on an attraction force-non-reaching portion or continuously flies and can surely suck and trap the insect.SOLUTION: The insect trap including an attractive light source 21 for emitting attractive light to the outside of a body 1 through a suction port 1h, a suction means for sucking a trapping target insect attracted in a suction region close to the suction ports 1h, 31h with the attractive light source 21, and a trapping net 5 for trapping the trapping target insect sucked with the suction means is characterized by forming a narrow suction region having a smaller cross section than other cylindrical portions.COPYRIGHT: (C)2011,JPO&INPIT【課題】誘引した虫が吸引力のとどかない部分へ止まったり飛来し続けることを防ぎ、確実に吸引、捕獲することのできる捕虫器を提供する。【解決手段】吸引口1hを通して本体1外部へ誘引光を発する誘引光源21と、誘引光源21によって吸引口付近1h、31hの吸引領域に誘引された捕獲対象虫を吸引する吸引手段と、吸引手段によって吸引された捕獲対象虫を捕獲する捕獲網5を具備する。他の筒内部分よりも小さい断面の狭部吸引領域が形成される。【選択図】図1