Sperm transfer during mating in the pharaoh's ant, Monomorium pharaonis
Sperm transfer during mating in the pharaoh's ant, Monomorium pharaonis
复制标题
DOI：
10.1111/j.1365-3032.2006.00519.x
复制
发表时间：
2006-09-01
影响因子：
1.5
通讯作者：
Gobin, B.
中科院分区：
文献类型：
--
作者：
Allard, D.;Borgesen, L.;Gobin, B.
对法老蚁（Monomorium pharaonis， L.）的精子转移进行了研究，方法是对固定在交配体中的交配对进行纵向切片。精子在精子包囊内转移，这与另外两种蚂蚁（日本的Diacamma sp.和Carebara vidua）的精子包囊相似。在阴茎瓣上有锋利的齿脊，在交配过程中，这些齿与覆盖在性交基囊上的厚而软的角质层接触。这确保了附着时间足够长，以便精子成功转移到雌性输卵管内的正确位置。厚厚的角质层还能保护蚁后免受雄蜂锋利爪子的严重伤害。在第一次成功交配后，精子仍然存在于雄性的精囊中，这表明雄性可以交配繁殖。另外的实验证实了这一点，在实验中，最初是处女的单身雄性被呈现给几只处女雌性。
Sperm transfer in the pharaoh's ant Monomorium pharaonis (L.) is studied by making longitudinal sections through the gasters of mating pairs fixed in copula. Sperm is transferred inside a spermatophore similar to those found in two other ants, Diacamma sp. from Japan and Carebara vidua. Sharp teeth- ridges are present on the penis valves and, during copulation, these teeth make contact with a thick and soft cuticular layer covering the bursa copulatrix. This ensures an attachment long enough for the successful transfer of the spermatophore to the right position inside the female oviduct. The thick cuticle also protects the queen from serious damage by the male's sharp claspers. After a first successful copulation, sperm is still present inside the male's seminal vesicles, suggesting that males can mate multiply. Additional experiments, where single, initially virgin males are presented to several virgin females, confirm this.