A trap for mass capturing and controlling the insect called “cotton boll weevil”, comprising a tubular central body (1) having a bottom section provided with holes (11), a housing formed by a perforated lid (7) and a base or bottom lid (3) provided with holes (3B) and further including one or more openings (12) to allow insect entering the housing from the bottom section (1)； b) an insecticide dispenser section (4) inside the housing, c) a hole section for venting and discharging vapors (5) located at a position that is farther from the base or bottom lid than the insecticide dispenser (4)； d) a perforated vessel (8) to contain an attractant diffuser (14) outside the housing and above it, and e) a closure (9) of the perforated vessel (8) at its upper end.
