The effect of the sexual confusion pheromone on the abundance, diversity, and percentage of parasitism of larvae of fall armyworm in maize was determined. From three collections of 100 fall armyworm larvae of different instars from fields treated and not treated with sexual confusion pheromones, Cotesia marginiventris Cresson, Meteorus laphygmae Viereck, Chelonus sonorensis Cameron, Chelonus insularis Cresson, Pristomerus spinator F. Lespesia sp., and Campoletis sp. were obtained from both treatments. Lespesia sp. and Campoletis sp. were found only in the pheromone treatment. Parasitism in the pheromone-treated field (19.7%), was not different from the control field (17%). Campoletis sp. was reported for the first time at Sinaloa, Mexico.

Se determinó el efecto de la feromona de confusión sexual sobre la abundancia, diversidad, y porcentaje de parasitismo de larvas de gusano cogollero en maíz. Se realizaron tres colectas de 100 larvas de gusano cogollero de diferentes instares de campos tratados con feromona de confusión sexual. Los parasitoides obtenidos fueron: Cotesia marginiventris Cresson, Meteorus laphygmae Viereck, Chelonus sonorensis Cameron, Chelonus insularis Cresson, Pristomerus spinator F. Lespesia sp., y Campoletis sp. en ambos tratamientos. Lespesia sp. y Campoletis sp. se obtuvieron de las parcelas con feromona. El porcentaje de parasitismo no fue diferente entre el tratamiento con feromona (19.7%) y el testigo (17%). Se reporta por primera ocasión a Campoletis sp. en Sinaloa, México.