An insect trap.The system includes: a top cover is convex with at least two peripheral pieces,At least one cover baffle and at least one limit post,And each peripheral sheet is provided with a concave transverse groove with a specific distance；A base is provided with a bottom baffle.At least one perforation and one inner wall piece,And at least one rib is arranged between the bottom baffles.And an outer convex ring is convex on the bottom baffle plate；A first holding space is formed between the bottom baffle plate and the inner wall plate.The inner wall sheet forms a second holding space around；After the upper cover is closed to the base,By turning the upper cover,The stop post is screwed against the rib.The perforation and the inner wall hole of the base are sealed by the outer peripheral piece and the cover baffle piece.The concave transverse groove is embedded in the outer convex ring.Insects that enter in order to be attracted by a lure are locked in the trap.一種昆蟲誘捕器，係包括：一上蓋凸設至少二外周片、至少一蓋擋片及至少一限位柱，且各該外周片凹設一特定距離之一凹橫槽；一底座設置一底擋片、至少一穿孔及一內壁片，且該底擋片間設有至少一肋件，又該底擋片凸設一外凸環；該底擋片及該內壁片之間形成一第一容置空間，該內壁片圍繞形成一第二容置空間；將該上蓋蓋合於該底座後，藉由旋動該上蓋，該限位柱旋抵於該肋件，使該底座之該穿孔及一內壁孔被各該外周片和該蓋擋片封閉，該凹橫槽嵌合於該外凸環，以令被一誘餌吸引而進入之昆蟲被封鎖於誘捕器中。
