Worker personality and its association with spatially structured division of labor.

Worker personality and its association with spatially structured division of labor.
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DOI:
10.1371/journal.pone.0079616
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
Menzel F
Menzel F
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Pamminger T;Foitzik S;Kaufmann KC;Schützler N;Menzel F

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劳动分工是社会性昆虫的一个决定性特征,也是它们在生态上取得成功的基础。许多对蚁群生存至关重要的任务都必须在特定的地点完成。因此,空间组织是劳动分工的一个组成部分。组织工人的空间分布,在没有中央控制的情况下分离内部和外部工人的机制,是劳动分工的一个重要但迄今为止被忽视的方面。在这项研究中,我们研究了蚂蚁工蚁个体空间分布的行为机制及其生理基础。通过调查员工的个性,我们发现了与职位相关的行为综合症。这种独立于环境和时间稳定的相关行为(运动和对光的吸引之间的正相关)可以促进内部(育雏者)和外部工人(觅食者)之间的基本分离。这些与位置相关的行为综合征与执行任务的高概率相结合,位于定义的位置,以及特征的角质层碳氢化合物剖面。我们讨论了观察到的行为综合症的潜在生理原因,并强调了动物个性的研究如何为一般的劳动分工和自组织过程的研究提供新的见解。
Division of labor is a defining characteristic of social insects and fundamental to their ecological success. Many of the numerous tasks essential for the survival of the colony must be performed at a specific location. Consequently, spatial organization is an integral aspect of division of labor. The mechanisms organizing the spatial distribution of workers, separating inside and outside workers without central control, is an essential, but so far neglected aspect of division of labor. In this study, we investigate the behavioral mechanisms governing the spatial distribution of individual workers and its physiological underpinning in the ant Myrmica rubra. By investigating worker personalities we uncover position-associated behavioral syndromes. This context-independent and temporally stable set of correlated behaviors (positive association between movements and attraction towards light) could promote the basic separation between inside (brood tenders) and outside workers (foragers). These position-associated behavior syndromes are coupled with a high probability to perform tasks, located at the defined position, and a characteristic cuticular hydrocarbon profile. We discuss the potentially physiological causes for the observed behavioral syndromes and highlight how the study of animal personalities can provide new insights for the study of division of labor and self-organized processes in general.
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