A split sex ratio in solitary and social nests of a facultatively social bee

A split sex ratio in solitary and social nests of a facultatively social bee
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兼性群居蜜蜂的独居巢穴和群居巢穴中性别比例的分裂

DOI:
10.1098/rsbl.2018.0740
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发表时间:
2019
期刊:
影响因子:
3.3
通讯作者:
Wcislo, William T.
Wcislo, William T.
中科院分区:
生物学2区
文献类型:
--
作者:
Smith, Adam R.;Kapheim, Karen M.;Kingwell, Callum J.;Wcislo, William T.

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亲属选择理论的一个经典预测是,单倍二倍体昆虫的群居和独居巢的混合种群在后代中应该表现出分裂的性别比例:雌性偏向于群居巢,雄性偏向于独居巢。在这里,我们提供了第一个证据,一个孤独的社会分裂的性别比例,使用汗蜂Megalopta genalis(Halictidae)。从2502个后代收集的数据,从自然发生的巢跨越6年的范围M。genalisreproductive season表明,尽管显着的年度和季节性变化,后代的性别比社会巢一贯更女性偏见比在孤独的巢。这表明,分裂的性别比例可能有助于合作的进化起源的基础上生殖利他主义通过亲属选择。
A classic prediction of kin selection theory is that a mixed population of social and solitary nests of haplodiploid insects should exhibit a split sex ratio among offspring: female biased in social nests, male biased in solitary nests. Here, we provide the first evidence of a solitary–social split sex ratio, using the sweat beeMegalopta genalis(Halictidae). Data from 2502 offspring collected from naturally occurring nests across 6 years spanning the range of theM. genalisreproductive season show that despite significant yearly and seasonal variation, the offspring sex ratio of social nests is consistently more female biased than in solitary nests. This suggests that split sex ratios may facilitate the evolutionary origins of cooperation based on reproductive altruism via kin selection.
DOI: 10.1007/s00040-017-0590-7
发表时间: 2018
期刊: Insectes Sociaux
影响因子: 1.3
作者:
Adam R. Smith;Christine Harper;K. Kapheim;M. Simons;Callum Kingwell;W. Wcislo
通讯作者: W. Wcislo
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发表时间: 1993
影响因子: 1.9
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期刊: INSECTES SOCIAUX
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DOI: 10.1098/rspb.2011.1652
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