小木蜂群居筑巢的巨大健康效益

IF 2.5 3区 环境科学与生态学 Q2 BEHAVIORAL SCIENCES
Michael Mikát, Sandra M Rehan
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引用次数: 1

摘要

兼性社会性昆虫是研究个体间合作出现的最佳模型群体。影响群居筑巢对健康益处的因素仍存在争议。无生殖能力的下属可以获得间接的适应性利益,因为相关个体的繁殖成功率增加,或者直接的适应性利益,因为直接的未来繁殖。在这里,我们研究了小木蜂(Ceratina albosticta)社会筑巢的成本和收益。从人口统计数据和巢内亲缘关系中,我们获得了评估独居雌性、社会初级和社会次级适合度的关键参数。白纹夜蛾通常与一只雄虫交配,多次交配的频率较低,但并不常见。社会巢穴通常包含两只雌性,它们被发现是有关系的(姐妹),但也有一些雌性彼此无关。来自微卫星位点的亲代模式显示,只有一只雌性在社会巢穴中繁殖。研究结果表明,亲缘关系、人均窝产率和后代存活率显著提高了群居筑巢策略的适应性效益。当与社会初级巢相关时,社会次级巢的整体适合度高于独居雌巢,但与独居雌巢无关的社会次级巢没有间接适合度,其整体适合度明显低于独居雌巢。有趣的是,群居配偶的平均健康收益高于独居配偶。本研究为兼性社会性蜜蜂的社会性成本和收益提供了重要的实证数据,并为未来的比较研究奠定了基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Large fitness benefits of social nesting in a small carpenter bee
Abstract Facultatively social insects are an optimal model group for the study of the emergence of cooperation between individuals. Factors influencing the fitness benefits of social nesting are still debated. Nonreproductive subordinates can benefit from indirect fitness benefits due to increasing reproductive success of related individuals or direct fitness benefits due to direct future reproduction. Here, we studied the costs and benefits of social nesting in the small carpenter bee Ceratina albosticta. From demographic data and within-nest relatedness, we obtained key parameters for assessing the fitness of solitary females, social primaries, and social secondaries. C. albosticta were found to usually mate with one male and multiple mating is not common although exists at low frequencies. Social nests usually contain two females, which were found to be related (full sisters), but also some females were unrelated to each other. Patterns of parentage from microsatellite loci revealed that only one female reproduces in social nests. Our results show that relatedness, per capita brood productivity, and offspring survival strongly increase the fitness benefits of social nesting strategies. Social secondaries, when related to the social primaries, have higher inclusive fitness than solitary females, but unrelated social nesting females had no indirect fitness and much reduced inclusive fitness compared to solitary females. Interestingly, average fitness benefits of the social secondary were higher than solitary females. This study provides important empirical data on the costs and benefits of sociality in a facultatively social bee and sets the stage for future comparative studies.
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来源期刊
Behavioral Ecology
Behavioral Ecology 环境科学-动物学
CiteScore
5.20
自引率
8.30%
发文量
93
审稿时长
3.0 months
期刊介绍: Studies on the whole range of behaving organisms, including plants, invertebrates, vertebrates, and humans, are included. Behavioral Ecology construes the field in its broadest sense to include 1) the use of ecological and evolutionary processes to explain the occurrence and adaptive significance of behavior patterns; 2) the use of behavioral processes to predict ecological patterns, and 3) empirical, comparative analyses relating behavior to the environment in which it occurs.
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