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Productivity of Singly vs. Multiply Mated Female Mediterranean Fruit Flies, Ceratitis capitata (Diptera: Tephritidae)

Timothy S. Whittier and Todd E. Shelly
Journal of the Kansas Entomological Society
Vol. 66, No. 2 (Apr., 1993), pp. 200-209
Stable URL: http://www.jstor.org/stable/25085434
Page Count: 10
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Productivity of Singly vs. Multiply Mated Female Mediterranean Fruit Flies, Ceratitis capitata (Diptera: Tephritidae)
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Abstract

Productivity (measured as number of adult progeny) was compared between singly and multiply mated females of the Mediterranean fruit fly, Ceratitis capitata, in the laboratory. After an initial mating, females were provided continuous access to males and peaches (for oviposition) for their entire lifetime. Nearly 50% (44/97) of the females remated, and most of these (33/44) remated once within 10 days of the initial copulation. Though there was large variation within each group, multiply mated females, on average, had greater longevity and higher productivity than one-time maters. However, the higher lifetime productivity of multiple maters arose primarily from an increased productivity at younger ages and only secondarily from the continued production of older individuals.

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