of the adult whitefl y to reduce mortality. The adults were placed on the underside of the leaves (young leaves from 40-50-d-old plants) of BC2 parents (CW67-160, CW67-130, CW67-44); MTAI-8 (BC1); CMB9B-73 and CMB9B-104; MEcu-72 and CMC-40. The adults were moved to a new area of the leaf every 48 h until the natural death of the females. Fecundity was estimated as the number of eggs oviposited by the female every 48 h, and longevity as themaximum time (d) lived by a female.