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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Reproductive queue without overt conflict in the primitively eusocial wasp Ropalidia marginata
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Reproductive queue without overt conflict in the primitively eusocial wasp Ropalidia marginata

机译：在原本是正常社会的黄蜂Ropalidia marginata中没有明显冲突的生殖队列

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摘要

Colonies of the primitively eusocial wasp Ropalidia marginata consist of a single egg layer (queen) and a number of non-egg-laying workers. Although the queen is a docile individual, not at the top of the behavioral dominance hierarchy of the colony, she maintains complete reproductive monopoly. If the queen is lost or removed, one and only one of the workers [potential queen (PQ)] becomes hyperaggressive and will become the next queen of the colony. The PQ is almost never challenged because she first becomes hyperaggressive and then gradually loses her aggression, develops her ovaries, and starts laying eggs. Although we are unable to identify the PQ when the queen is present she appears to be a "cryptic heir designate." Here, we show that there is not just one heir designate but a long reproductive queue and that PQs take over the role of egg-laying, successively, without overt conflict as the queen or previous PQs are removed. The dominance rank of an individual is not a significant predictor of its position in the succession hierarchy. The age of an individual is a significant predictor, but it is not a perfect predictor because PQs often bypass older individuals to become successors. We suggest that such a predesignated reproductive queue that is implemented without overt conflict is adaptive in the tropics, where conspecific usurpers from outside the colony, which can take advantage of the anarchy prevailing in a queenless colony and invade it are likely to be present throughout the year.
机译：原始的共社会黄蜂Ropalidia marginata的殖民地由一个卵层（卵）和许多非产蛋工人组成。尽管女王是一个温顺的人，但不在殖民地的行为支配地位的顶端，但她仍然保持着完全的生殖垄断。如果皇后遗失或被撤职，只有一名工人[潜在皇后（PQ）]变得过于激进，并将成为该殖民地的下一位皇后。 PQ几乎从未受到挑战，因为她先变得过度攻击，然后逐渐丧失攻击性，发展卵巢，并开始产卵。尽管当女王出现时我们无法识别PQ，但她似乎是“隐秘的继承人指定人”。在这里，我们表明，不仅有一个后代被任命，而且生育队列很长，而且随着女王或以前的PQ被删除，PQ接连承担着产卵的角色，而没有明显的冲突。个人的支配地位并不是其在继承体系中地位的重要指标。一个人的年龄是一个重要的预测指标，但它并不是一个完美的预测指标，因为PQ经常绕过年长的个体成为接班人。我们建议在热带地区实施这样的预先确定的繁殖队列，而不会发生明显的冲突，在热带地区，来自殖民地以外的同种篡夺者可以利用这一优势，从而可以利用无皇后殖民地中普遍存在的无政府状态并对其进行入侵。年。

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