Spare to share? How does interindividual variation in metabolic rate influence food sharing in the honeybee?
Spare to share? How does interindividual variation in metabolic rate influence food sharing in the honeybee?
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DOI：
10.1016/j.jinsphys.2018.11.006
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发表时间：
2019
影响因子：
2.2
通讯作者：
Naug, Dhruba
中科院分区：
文献类型：
--
作者：
Reade, Abbie J.;Dillon, Michael;Naug, Dhruba
群体生活的一个核心好处是合作获取和共享资源，但与这些过程相关的成本可能会在个人和群体水平的适应性之间产生潜在的冲突。在一个蜂群中，采集资源的任务是交给觅食蜂的，它们代谢率的任何个体间差异以及随之而来的碳水化合物需求都可能对它们能为殖民地贡献的资源量构成限制。我们调查了觅食者的碳水化合物需求是否是她的代谢率的函数，以及这是否会影响她与巢友分享的食物量。我们的研究结果表明，高代谢率的觅食者的蔗糖消耗率不能满足他们的碳水化合物需求，使他们处于能量不足的状态，而那些代谢率较低的觅食者则有能量过剩。我们的食物分享实验显示了一种趋势，但没有发现不同消费率的个体在与同伴分享食物量方面存在显着差异。这些结果表明，具有不同代谢率的蜜蜂觅食者在能量过剩或不足方面可能有所不同，但可能需要更多的长期数据集来检测这可能如何影响食物共享。
A central benefit of group living is the cooperative acquisition and sharing of resources but the costs associated with these processes can set up a potential conflict between individual and group level fitness. Within a honeybee colony, the task of resource acquisition is relegated to the foragers and any interindividual differences in their metabolic rate and the consequent carbohydrate demand may pose a constraint on the amount of resources they can contribute to the colony. We investigated whether the carbohydrate demand of a forager is a function of her metabolic rate and if this impacts the amount of food she shares with the nestmates. Our results show that the sucrose consumption rates of foragers with high metabolic rates did not meet their carbohydrate demand, placing them at an energy deficit while those with lower metabolic rates had an energy surplus. Our food sharing experiments showed a trend but did not detect a significant difference among individuals with different consumption rates in terms of the amount of food they shared with their nestmates. These results suggest that honeybee foragers with different metabolic rates are likely to differ in terms of whether they have an energy surplus or deficit, but more long-term datasets may be required to detect how this may influence food sharing.
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影响因子：
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