Bachmann Guillermo Enrique, Belliard Silvina Anahí, Devescovi Francisco, Nussenbaum Ana Laura, Fernández Patricia Carina, Vera María Teresa, Ruiz María Josefina, Segura Diego Fernando
Instituto de Genética "E.A. Favret", INTA, GV-IABIMO, CONICET, Partido de Hurlingham B1686, Provincia de Buenos Aires, Argentina.
Facultad de Agronomía, Universidad de Buenos Aires-CONICET, Ciudad Autónoma de Buenos Aires C1417, Argentina.
Insects. 2023 Feb 14;14(2):188. doi: 10.3390/insects14020188.
sp.1 males are sexually stimulated by the aroma of fruit of its native host (guava). Other hosts, which are exotic to , do not enhance male sexual behavior. Here we evaluate the effects of fruit volatile exposure on male sp. 1 sexual performance using other native hosts, under the hypothesis that male improvement derives from a common evolutionary history between sp. 1 and its native hosts. Four species were evaluated: , , , and . Guava was used as a positive control. Males were exposed to fruit from 12:00 pm to 4:00 pm, from day 8 to day 11 post-emergence. On day 12, we evaluated their calling behavior and mating success. Both guava and enhanced calling behavior. Mating success was enhanced only by guava and a trend was found for . Interestingly, the two hosts belong to the Psidium genus. A volatile analysis is planned to identify the compounds responsible for this phenomenon. The other native fruits did not improve the sexual behavior of males. Implications of our findings in the management of sp. 1 are discussed.
sp.1雄性个体受到其原生寄主（番石榴）果实香气的性刺激。其他寄主对于sp.1来说是外来的，不会增强雄性性行为。在此，我们在这样的假设下评估果实挥发物暴露对sp.1雄性个体性行为的影响，即雄性行为的改善源自sp.1与其原生寄主之间共同的进化历史。评估了四个物种：[此处原文缺失四个物种的具体名称]。番石榴用作阳性对照。羽化后第8天至第11天，雄性个体在下午12点至4点暴露于果实中。在第12天，我们评估它们的求偶行为和交配成功率。番石榴和[此处原文缺失具体物种名称]都增强了求偶行为。只有番石榴提高了交配成功率，并且发现[此处原文缺失具体物种名称]有这种趋势。有趣的是，这两种寄主都属于番石榴属。计划进行挥发物分析以确定导致这种现象的化合物。其他原生果实并未改善雄性个体性行为。讨论了我们的研究结果对sp.1管理的意义。
