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Revista de la Sociedad Entomológica Argentina

versión impresa ISSN 0373-5680versión On-line ISSN 1851-7471

Resumen

MANSO, Fanny C.; PIZARRO, Juliana  y  CLADERA, Jorge L.. Relationship between time of larval development and fecundity in the female of Ceratitis capitata (Diptera: Tephritidae). Rev. Soc. Entomol. Argent. [online]. 2006, vol.65, n.1-2, pp.43-54. ISSN 0373-5680.

We studied the relationship between the development time in the larva stage and the resulting female fecundity, in Ceratitis capitata Wiedemann wild-type individuals compared to mutant individuals showing slow development (sw). We observed the morphology of the ovaries in the progenies of the crossing between mutant and wild-type strains, comparing females segregating by «development time». This study showed that sw(-) females developing later have got less ovarioles, and a more heterogeneous distribution of ovules, than females developing earlier. It was also found that the wild type females developing late also produce lower numbers both of ovarioles and fully developed ova, than those developing earlier. In sw females as well as in wildtype females, delays in development reduce the fecundity of the females, which is expressed as lower number of ovarioles and slower maturation of the ovary. When the rearing conditions are appropriate, the sw females are as fertile as wild-type ones.

Palabras clave : Mediterranean fruit fly; Sterile insect technique; Genetic sexing strains; Mutation slow.

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