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The benefits of grouping as a main driver of social evolution in a halictine bee.
Ohkubo, Yusaku; Yamamoto, Tatsuhiro; Ogusu, Natsuki; Watanabe, Saori; Murakami, Yuuka; Yagi, Norihiro; Hasegawa, Eisuke.
Afiliación
  • Ohkubo Y; Laboratory of Animal Ecology, Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan.
  • Yamamoto T; Laboratory of Animal Ecology, Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan.
  • Ogusu N; Laboratory of Animal Ecology, Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan.
  • Watanabe S; Laboratory of Animal Ecology, Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan.
  • Murakami Y; Graduate School of Medicine, Department of Neuropharmacology, Hokkaido University, Sapporo 060-8638, Japan.
  • Yagi N; Laboratory of Animal Ecology, Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan.
  • Hasegawa E; Laboratory of Animal Ecology, Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan.
Sci Adv ; 4(10): e1700741, 2018 10.
Article en En | MEDLINE | ID: mdl-30306126
Over the past decade, the cause of sociality has been much debated. Inclusive fitness [br in Hamilton's rule (br - c > 0)] has been criticized but is still useful in the organization of a framework by elucidating mechanisms through which br (benefit × relatedness) becomes larger than c (cost). The bee Lasioglossum baleicum is suitable for investigation of this issue because of the sympatric occurrence of both social and solitary nesting in its populations. We show that a large part (approximately 92%) of the inclusive fitness of a eusocial worker can be attributed to the benefits of grouping. A 1.5-fold relatedness asymmetry benefit in singly mated haplo-diploids explains a small part (approximately 8.5%) of the observed inclusive fitness. Sociality enables this species to conduct foraging and nest defense simultaneously, which is not the case in solitary nests. Our results indicate that this benefit of grouping is the main source of the increased inclusive fitness of eusocial workers.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Conducta Social / Conducta Animal Tipo de estudio: Prognostic_studies Aspecto: Determinantes_sociais_saude Límite: Animals País/Región como asunto: Asia Idioma: En Revista: Sci Adv Año: 2018 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Conducta Social / Conducta Animal Tipo de estudio: Prognostic_studies Aspecto: Determinantes_sociais_saude Límite: Animals País/Región como asunto: Asia Idioma: En Revista: Sci Adv Año: 2018 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos