Climate-mediated behavioural variability in facultatively social bees
Climate-mediated behavioural variability in facultatively social bees
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DOI：
10.1093/biolinnean/bly101
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发表时间：
2018-09-01
影响因子：
1.9
通讯作者：
Rehan, Sandra M.
中科院分区：
文献类型：
--
作者：
Groom, Scott V. C.;Rehan, Sandra M.
社会性生物是地球上最普遍的生物之一，社会性的起源被认为是一个主要的进化转变。先前的研究表明，遗传和环境因素在从独居生活到社会生活的转变中都起着作用，这些因素的相对贡献在不同的分类群中有所不同。在膜翅目昆虫中，群居性已经出现了11次。这些起源中有四个发生在蜜蜂体内，加上许多可能的逆转，使它们成为了解基因和环境对社会行为影响的理想选择。我们使用了全球分布的蜜蜂属Ceratina的广泛分类覆盖的良好支持的系统发育来测试气候和社会性是否相关。角鼻虫的祖先很可能是群居的，起源于热带非洲，随后扩散到温带地区，这与向独居生活的转变相对应。这些发现强调了兼性社会谱系（如Ceratina）在评估系统发育和生态在社会复杂性进化中的相对重要性方面的效用。
Social organisms are some of the most pervasive on earth, with the origin of sociality considered a major evolutionary transition. Previous studies suggest a role for both genetic and environmental factors in the transition from solitary to social living, with the relative contributions of these factors varying among taxa. Eusociality has arisen up to 11 times in the Hymenoptera. Four of these origins occurred within the bees, plus many probable reversions, making them ideal to understand the influence of genes and environment on social behaviour. We used a well-supported phylogeny with broad taxonomic coverage of the globally distributed bee genus Ceratina to test whether climate and sociality are correlated. Ceratina was most probably social ancestrally and originated in tropical Africa, with subsequent dispersals into temperate regions corresponding to shifts to solitary living. These findings highlight the utility of facultatively social lineages, such as Ceratina, for assessing the relative importance of phylogeny and ecology in the evolution of social complexity.