In the laboratory we studied the biology of a wild population of the Mediterranean fruit fly, Ceratitis capitata (Wiedemann), originating from apples collected near Thessaloniki, northern Greece. Development of immatures in ‘Golden Delicious’ apples lasted almost 1 mo. Approximately 33% of the eggs reached the adult stage. More than 80% of the females were reproductively mature at day 10 of age, and >80% were mated at day 15. Life expectancy at pupal eclosion was about 10 d higher in males than in females (59.9 versus 51.5 d). Average net fecundity was 562.4 eggs, and average daily oviposition rate was ≈11 eggs. The daily population increase was 8%, and the mean generation time was 53 d. Population developing in apples consisted of 96% as immatures (eggs, larvae, pupae), and only 4% as adults. The importance of these findings to the population biology and overwintering behavior of this fly in temperate areas is discussed.
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Vol. 95 • No. 5