The present invention discloses a 
diamondback moth adult trapper, pertaining to the technical field of 
plant protection equipment. The trapper comprises a ring-shaped 
handle (1), a box cover (2), a box body (3), a bait suspension hook (5), a moth falling hole (6), a moth collecting 
barrel (7), an overflow hole (8), a buckle (9) and a wing-shaped 
trapping box (4) which consists of the box cover (2) and the box body (3). The present invention replaces the conventional 
viscose plate by the device with a hole in the middle, the device is arranged at the bottom of the 
trapping box and is connected with the moth collecting 
barrel downward; the present invention also overcomes the defects of the existing trapper such as frequent replacement of the 
viscose plate, labor waste and high cost, thus achieving the aim of environment protection, economy, convenience and high-efficiency 
diamondback moth and relevant pests 
trapping. The trapper provided by the present invention can be promoted and used in the agricultural production.