Segura-Venegas D., Jiménez-Sierra C. L., Effect of Gerstaeckeria bifasciata (Gerstaecker, 1860) (Coleoptera: Curculionidae: Cryptorhynchinae) Herbivory on a Globose Cactus in Guanajuato, Mexico, The Coleopterists Bulletin, 2022, 76(1):95-100, doi: 10.1649/0010-065X-76.1.95
Damage to Stenocactus obvallatus ribs and flowers by adult weevils, and a one-year census of the population studied in Guanajuato.