Oviposition deterring pheromone inAnastrepha fraterculus flies |
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| Authors: | Ronald J. Prokopy Aldo Malavasi Joao S. Morgante |
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| Affiliation: | (1) Department of Entomology, University of Massachusetts, 01003 Amherst, Massachusetts;(2) Departamento de Biologia, Instituto de Biociencias, Universidade de Sao Paulo, Caixa Postal 11.461, Sao Paulo, Brazil |
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| Abstract: | Anastrepha fraterculus (Wiedemann) females were found to deposit a water-soluble, durable, oviposition-deterring pheromone during ovipositor dragging on fruit after egg-laying. We present evidence that the occurrence of pheromone deposition after egg-laying, the amount deposited, and departure from the fruit without additional egg-laying after pheromone deposition are flexible traits inA. fraterculus, varying in expression according to fruit size and other factors. UnlikeRhagoletis, A. fraterculus males were not arrested by the pheromone. |
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| Keywords: | Pheromone Anastrepha fraterculus Diptera Tephritidae oviposition deterrent |
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