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首页> 外文期刊>Belgian Journal of Zoology >Mechanisms regulating functional monogyny in a Japanese population of Leptothorax acervorum (Hymenoptera, Formicidae): dominance hierarchy and preferential egg cannibalism
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Mechanisms regulating functional monogyny in a Japanese population of Leptothorax acervorum (Hymenoptera, Formicidae): dominance hierarchy and preferential egg cannibalism

机译：规管日本Leptothorax acervorum（膜翅目，,科）的功能单性生殖的机制：优势等级和优先食人鱼。

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Queen behaviour of Leptothorax acervorum collected in northern Japan was observed in four functionally monogynous colonies (one functional mated egg-laying queen with some supernumerary mated but sterile queens) and two monogynous colonies with some virgin queens. In three functionally monogynous colonies, dominance behaviour including antennation, biting, pulling, and remarkable avoidance where queens fled approaching the functional queens, were frequently observed among queens. In two of the three colonies, an almost linear dominance hierarchy was established among queens and only the top ranked queen laid eggs. However, the hierarchy was not stable : in one colony the queens in second and third ranks and the second ranked queen in the other colony were expelled from colonies. Such queen antagonism was very rare in the other functionally monogynous colony, where workers expelled the fertile queen, and the other queen replaced the egg-layer. In monogynous colonies with virgin queens, virgin queens showed worker-like behaviour, and dominance interactions completely lacked among queens. Oophagy was often observed among nestmates : this always Occurred just after oviposition. Eggs of functional queens were not eaten while most eggs laid by Supernumerary queens were eaten by functional queens and workers. Supernumerary queens never showed oophagy. Workers laid trophic eggs and reproductive eggs : the former ones were always eaten while one third of the latter survived.
机译：在四个功能单一性的雌性集落中观察到了日本北部的Leptothorax acervorum的女王行为（一个功能交配的产卵女王，有一些多余的交配但不育的皇后）和两个单一性的菌落中有一些原始的女王。在三个功能单一的殖民地中，经常会观察到皇后逃逸的情况，包括触角，咬，拉和显着回避，在这些行为中，皇后逃离了功能性皇后。在三个殖民地中的两个殖民地中，皇后之间建立了几乎线性的统治等级，只有排名最高的女王产卵。但是，等级制度并不稳定：在一个殖民地中，第二和第三等级的皇后和另一个殖民地中排名第二的皇后被逐出殖民地。在另一个功能单一的殖民地，工人们驱逐肥沃的女王，而另一个女王代替了蛋壳，这种女王的对抗是非常罕见的。在有处女皇后的一夫一妻制殖民地中，处女皇后表现出类似工人的行为，皇后之间完全没有优势地位的相互作用。经常在巢友中观察到口臭：这种情况总是在产卵后发生。功能皇后的鸡蛋没有被食用，而超级数皇后产下的大多数鸡蛋被功能皇后和工人食用。多余的女王从来没有表现出幻想。工人下了营养蛋和生殖蛋：前者总是被吃掉，而后者则存活了三分之一。

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