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首页> 外文期刊>Zoological Science >Mating behavior, insemination and sperm transfer in the ground beetle Carabus insulicola
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Mating behavior, insemination and sperm transfer in the ground beetle Carabus insulicola

机译：甲虫Carabus insulicola的交配行为，授精和精子转移

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摘要

Mating behavior and the processes of insemination and sperm transfer in the ground beetle Carabus insulicola were analyzed. C. insulicola has elaborate genitalia, in which the strongly sclerotized male copulatory piece is inserted into the female vaginal appendix in copula. During mating, I observed pre-copulatory struggles of males and females, as well as delays in ejaculation, suggesting the presence of intersexual conflicts. Insemination was achieved with a spermatophore, which strongly adhered to the openings of the spermatheca, common oviduct, and vaginal appendix. The spermatophore dissolved after copulation, and sperm were transferred into the spermatheca within three hours after copulation. Sperm bundles were contained within the testes and spermatophores, but free spermatozoa were found in the spermatheca.
机译：分析了地面甲虫Carabus insulicola的交配行为以及授精和精子转移的过程。 C. insulicola具有复杂的生殖器，其中将强硬性硬化的雄性交配片插入到copula的雌性阴道阑尾中。在交配过程中，我观察到了雌雄交配前的挣扎，以及射精的延迟，这表明存在两性冲突。用精子完成受精，精子牢固地附着在精子，普通输卵管和阴道阑尾的开口上。精子交配后溶解，精子在交配后三小时内转移到精囊中。精子束被包含在睾丸和精子体内，但是在精子中发现了游离的精子。

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