Biology ano control activity ,of Encarsia formosa Gahan in Bogota (Colombia) ; Contribución al estudio de la biología y capacidad de control de Encarsia Formosa Gahan en la Sabana de Bogotá

Some preliminary studies on behavior and adaptation of the newly introduced Encarsia formosa Gahan as a parasite of the greenhouse whitefly Trisleurodes vaporariorum (Westwood) under laboratory and greenhouse conditions were determined. Different plant hosts of T. vaporariorum were considered. Using tomato as a host for the greenhouse whitefly it was found that E. formosa showed and averagefecundity of 63 eggs per female in 20 days, an adult longevity of 41,4 days, a sexual ratio of 361 females to 1 male and alifecycle of 22,1 days when paresitation occurred on the third instar of T. vaporario... Mehr ...