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Domestication-related changes in sexual performance of Queensland fruit fly

Insect Science 2021年第5期28卷 1491-1503页

作者： jeanneth perez Vivian Mendez Boaz Yuval Phillip WTaylor Applied BioSciences Macquarie UniversitySydneyAustralia Australian Research Council Industrial Transformation Training Centre for Fruit Fly Biosecurity Innovation Macquarie UniversitySydneyAustralia Department of Entomology The Hebrew University of JerusalemRehovotIsrael

In Sterile Insect Technique(SIT)programs,massive numbers of insects are reared,sterilized,and released in the field to impede reproduction of pest *** domestication and rearing processes used to produce insects for SIT programs may have significant evolutionary impacts on life history and reproductive *** assessed the effects of domestication on sexual performance of laboratory reared Queensland fruit fly,Bactrocera tryoni,by comparing an old(49 generations)and a young colony(5 generations).We evaluated mating propensity,mating latency,copula duration,sperm transfer,and ability to induce sexual inhibition in ***,both males and females from the old colony had greater mating propensity than those from the young *** duration was longer when females were from the old *** was no evidence of sexual isolation between the colonies as males and females from the two colonies had similar propensity to mate with flies from either *** from the old colony transferred more sperm regardless of which colony their mate was ***,males from both colonies were similarly able to induce sexual inhibition in their mates and were also similarly able to secure copulations with already-mated *** effects of domestication on sperm transfer,coupled with maintained ability to induce sexual inhibition in mates and to secure copulations with previously mated females,highlights that domestication may have little effect,or even positive effects,on some aspects of sexual performance that may advantage mass-reared *** in SIT programs.

关键词： laboratory adaptation mass-rearing Q-fly sexual behavior sterile insect technique

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