Pierce, W. Dwight Studies of parasites of the Cotton boll weevil / W. D. Dwight Pierce - Washington : Department of Agriculture - 63 p. - USDA. Bureau of Entomology Bulletin; 73 . Encuadernado con: The mexican cotton boll weevil/ W. D. Hunter, W. E. Hinds LCCN: 201109 Subjects--Topical Terms: Algodón -- EUA. Algodón -- Plagas Anthonomus Grandis Dewey Class. No.: PA-C 633.51 H8