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1 April 2013 Juvenile Hormone Analog Enhances Calling Behavior, Mating Success, and Quantity of Volatiles Released by Anastrepha obliqua (Diptera: Tephritidae)
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Abstract
The application of a juvenile hormone analog, methoprene, to newly emerged adult males reduced the time required for sexual maturation and enhanced mating success in several species of tephritid fruit flies. In this work, we investigated the effect of topical methoprene application on West Indian fruit fly, Anastrepha obliqua (Macquart), male calling, mating, and volatile release. Males treated with topical methoprene exhibited sexual maturation and reproductive behavior 2 d earlier when compared with control males treated with acetone. Methoprene-treated males began calling and mating at 4 d old, whereas control males did not call and mate until 6 d old. The gas chromotographymass spectrometry analysis of volatiles showed that during calling A. obliqua males consistently released four compounds; three of them were identified as (Z)-3-nonenol, (Z,E)-α-farnesene, (E,E)α-farnesene, and a fourth compound with the appearance of a farnesene isomer. Both treated and control males released the same compounds, although treated males started to release volatiles before that control males. The results are discussed in view of possible methoprene application with the aim of reducing costs in fly emergence and release facilities before eventual release of A. obliqua in the field, thus improving the sterile insect technique.
© 2013 Entomological Society of America
Roxana Chacón-Benavente, Guillermo López-Guillen, Emilio Hernández, Julio C. Rojas and Edi A. Malo "Juvenile Hormone Analog Enhances Calling Behavior, Mating Success, and Quantity of Volatiles Released by Anastrepha obliqua (Diptera: Tephritidae)," Environmental Entomology 42(2), (1 April 2013). https://doi.org/10.1603/EN12045
Received: 11 February 2012; Accepted: 1 January 2013; Published: 1 April 2013
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