白纹伊蚊和黄纹伊蚊之间的生殖干扰,Medical and Veterinary Entomology

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白纹伊蚊和黄纹伊蚊之间的生殖干扰
Medical and Veterinary Entomology ( IF 1.6 ) Pub Date : 2020-08-06 , DOI: 10.1111/mve.12469
A Sultana ₁ , T Sunahara ₂ , C Tsurukawa ₂ , N Tuno ₁

Affiliation

伊蚊（埃及黄热），白纹伊蚊和埃及伊蚊（埃及黄热）flavopictus是从日本南部到中部分布重叠的相关物种。为了了解它们之间的相互作用，我们研究了它们之间的生殖干扰，特别是关注配对对之间的体型差异。在这里，我们研究了使用不同体型的蚊子进行同种，异种和双重交配（即异种交配后再进行同种交配）对交配持续时间，产卵量和卵孵化率的影响。仅与异种雄性交配的雌性几乎没有产卵，这表明交配后的分离几乎已经完成。当在同种交配之前与异种雄性交配时，活卵的产量低于仅与同种雄性交配时的卵，这表明发生了生殖干扰。e 黄酮比在大江。当雌性个体较小时，白带病，但雌性个体较大时，它们之间没有区别。白纹伊蚊女性似乎能够区分Ae。同种异型雄性和较大雌性中的黄酮类雄性在异种异性雄性的排斥中更成功。另一方面，爱 flavopictus不能区分同种和异种雄性。

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Reproductive interference between Aedes albopictus and Aedes flavopictus at a place of their origin

Aedes (Stegomyia) albopictus and Aedes (Stegomyia) flavopictus are related species that have overlapping distributions from southern to central Japan. To understand how they interact, we studied reproductive interference between them, particularly focusing on the body size difference between the mating pair. Here, we examined the effects of conspecific, heterospecific and double mating (i.e. heterospecific mating followed by conspecific mating) on copulation duration, egg production and hatchability of eggs using mosquitoes that varied in body size. Females mated only with heterospecific males produced few viable eggs, indicating that post‐mating isolation is almost complete. When mated with heterospecific males before conspecific mating, the production of viable eggs was lower than when mated only with conspecific males, revealing the occurrence of reproductive interference. The degree of reproductive interference was larger in Ae. flavopictus than in Ae. albopictus when the female size was small but did not differ between them when the female size was large. Aedes albopictus females appear to be able to distinguish Ae. flavopictus males from conspecific males and larger females are more successful in the rejection of heterospecific males. On the other hand, Ae. flavopictus were not able to discriminate between conspecific and heterospecific males.

更新日期：2020-08-06

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