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首页> 外文期刊>Bulletin of Entomological Research >Mating system, age, and reproductive performance in Tenuisvalvae notata, a long-lived ladybird beetle
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Mating system, age, and reproductive performance in Tenuisvalvae notata, a long-lived ladybird beetle

机译:在Tenuisvalvae Nota的交配系统,年龄和生殖性能,长寿瓢虫甲虫

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摘要

The long-lived polygynandrous ladybird beetle Tenuisvalvae notata (Mulsant) found in Brazil was evaluated in the laboratory for the effects of multiple mating and aging on its reproductive performance. This species is native to South America and is an important predator of mealybugs. Specifically studied were partner choice, female reproductive success, adult longevity, male virility, and offspring development. Young (5–10 days old) and older virgin females (95–100 days old) were subjected to either a single mate or multiple mating with the same or different males of various mating status (virgin or previously mated once, twice, and thrice). Results revealed a preference in both genders to mate with previously known partners. Additionally, younger females had higher fecundity and greater longevity when mated only once in comparison to those mated multiple times. Fecundity, fertility, and offspring development were similar across the treatments regardless of the number of mating or male mating history. Fecundity and fertility decreased throughout the oviposition period regardless of mating treatment.
机译:在巴西发现的长期多良的瓢虫甲壳虫Tenuisvalvae Notata(Mulsant)在实验室中评估了多种交配和老化对其生殖性能的影响。这个物种是南美的原产感,是一个重要的尿布捕食者。专门研究的是合作伙伴选择,女性生殖成功,成人寿命,男性疣性和后代发展。年轻(5-10天)和老年人女性(95-100天)与各种交配状态(处女或先前,两次和三次)的单一伴侣或多种交配,具有相同或不同的男性)。结果揭示了与以前已知的合作伙伴配合的性别。此外,当与多次交配的人相比时,年轻的女性繁殖力较高,更长寿。无论交配或男性交配历史的数量如何,繁殖力,生育和后代发展都相似。无论交配治疗如何,繁殖力和生育率都减少了整个产卵期。

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