Strength surpasses relatedness-queen larva selection in honeybees.

Nepotism was initially theoretically predicted and sometimes found to trigger the selection of specific larvae to be reared as queens in the honeybee Apis mellifera. Although the importance of selecting the next queen for a colony indicates that it should not occur at random, nepotism is increasingl...

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Autores principales:	Saad Naser Al-Kahtani, Kaspar Bienefeld
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/00d030365ff448a48ffebbe6aed6c09d
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spelling	oai:doaj.org-article:00d030365ff448a48ffebbe6aed6c09d2021-12-02T20:15:12ZStrength surpasses relatedness-queen larva selection in honeybees.1932-620310.1371/journal.pone.0255151https://doaj.org/article/00d030365ff448a48ffebbe6aed6c09d2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255151https://doaj.org/toc/1932-6203Nepotism was initially theoretically predicted and sometimes found to trigger the selection of specific larvae to be reared as queens in the honeybee Apis mellifera. Although the importance of selecting the next queen for a colony indicates that it should not occur at random, nepotism is increasingly considered unlikely in eusocial insect societies. Different prenatal maternal supplies of embryos have been found to impact fitness in many other species and therefore could be a possible trigger underlying the likelihood of being raised as a queen. We offered related or unrelated larvae from six colonies originating from eggs of different weights for emergency queen rearing in queenless units with worker bees from these six colonies. We showed that nurses did not significantly prefer related larvae during queen rearing, which confirms the theory that different relatedness-driven kin preferences within a colony cannot be converted into a colony-level decision. However, we found that larvae originating from heavier eggs were significantly preferred for queen breeding. Studies on other species have shown that superior maternal supply is important for later reproductive success. However, we did observe tendencies in the expected direction (e.g., queens that hatched from heavier eggs had both more ovarioles and a shorter preoviposition period). Nevertheless, our data do not allow for a significant conclusion that the selection of larvae from heavy eggs truly offers fitness advantages.Saad Naser Al-KahtaniKaspar BienefeldPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0255151 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Saad Naser Al-Kahtani Kaspar Bienefeld Strength surpasses relatedness-queen larva selection in honeybees.
description	Nepotism was initially theoretically predicted and sometimes found to trigger the selection of specific larvae to be reared as queens in the honeybee Apis mellifera. Although the importance of selecting the next queen for a colony indicates that it should not occur at random, nepotism is increasingly considered unlikely in eusocial insect societies. Different prenatal maternal supplies of embryos have been found to impact fitness in many other species and therefore could be a possible trigger underlying the likelihood of being raised as a queen. We offered related or unrelated larvae from six colonies originating from eggs of different weights for emergency queen rearing in queenless units with worker bees from these six colonies. We showed that nurses did not significantly prefer related larvae during queen rearing, which confirms the theory that different relatedness-driven kin preferences within a colony cannot be converted into a colony-level decision. However, we found that larvae originating from heavier eggs were significantly preferred for queen breeding. Studies on other species have shown that superior maternal supply is important for later reproductive success. However, we did observe tendencies in the expected direction (e.g., queens that hatched from heavier eggs had both more ovarioles and a shorter preoviposition period). Nevertheless, our data do not allow for a significant conclusion that the selection of larvae from heavy eggs truly offers fitness advantages.
format	article
author	Saad Naser Al-Kahtani Kaspar Bienefeld
author_facet	Saad Naser Al-Kahtani Kaspar Bienefeld
author_sort	Saad Naser Al-Kahtani
title	Strength surpasses relatedness-queen larva selection in honeybees.
title_short	Strength surpasses relatedness-queen larva selection in honeybees.
title_full	Strength surpasses relatedness-queen larva selection in honeybees.
title_fullStr	Strength surpasses relatedness-queen larva selection in honeybees.
title_full_unstemmed	Strength surpasses relatedness-queen larva selection in honeybees.
title_sort	strength surpasses relatedness-queen larva selection in honeybees.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/00d030365ff448a48ffebbe6aed6c09d
work_keys_str_mv	AT saadnaseralkahtani strengthsurpassesrelatednessqueenlarvaselectioninhoneybees AT kasparbienefeld strengthsurpassesrelatednessqueenlarvaselectioninhoneybees
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Strength surpasses relatedness-queen larva selection in honeybees.

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