Changes in learning and foraging behaviour within developing bumble bee (Bombus terrestris) colonies.

Organisation in eusocial insect colonies emerges from the decisions and actions of its individual members. In turn, these decisions and actions are influenced by the individual's behaviour (or temperament). Although there is variation in the behaviour of individuals within a colony, we know sur...

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Main Authors: Lisa J Evans, Nigel E Raine
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0090556&type=printable
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author Lisa J Evans
Nigel E Raine
author_facet Lisa J Evans
Nigel E Raine
author_sort Lisa J Evans
collection DOAJ
description Organisation in eusocial insect colonies emerges from the decisions and actions of its individual members. In turn, these decisions and actions are influenced by the individual's behaviour (or temperament). Although there is variation in the behaviour of individuals within a colony, we know surprisingly little about how (or indeed if) the types of behaviour present in a colony change over time. Here, for the first time, we assessed potential changes in the behavioural type of foragers during colony development. Using an ecologically relevant foraging task, we measured the decision speed and learning ability of bumble bees (Bombus terrestris) at different stages of colony development. We determined whether individuals that forage early in the colony life cycle (the queen and early emerging workers) behaved differently from workers that emerge and forage at the end of colony development. Whilst we found no overall change in the foraging behaviour of workers with colony development, there were strong differences in foraging behaviour between queens and their workers. Queens appeared to forage more cautiously than their workers and were also quicker to learn. These behaviours could allow queens to maximise their nectar collecting efficiency whilst avoiding predation. Because the foundress queen is crucial to the survival and success of a bumble bee colony, more efficient foraging behaviour in queens may have strong adaptive value.
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spelling doaj.art-f5e69a1d9b3941ab97f00e6443604f942025-02-21T05:35:58ZengPublic Library of Science (PLoS)PLoS ONE1932-62032014-01-0193e9055610.1371/journal.pone.0090556Changes in learning and foraging behaviour within developing bumble bee (Bombus terrestris) colonies.Lisa J EvansNigel E RaineOrganisation in eusocial insect colonies emerges from the decisions and actions of its individual members. In turn, these decisions and actions are influenced by the individual's behaviour (or temperament). Although there is variation in the behaviour of individuals within a colony, we know surprisingly little about how (or indeed if) the types of behaviour present in a colony change over time. Here, for the first time, we assessed potential changes in the behavioural type of foragers during colony development. Using an ecologically relevant foraging task, we measured the decision speed and learning ability of bumble bees (Bombus terrestris) at different stages of colony development. We determined whether individuals that forage early in the colony life cycle (the queen and early emerging workers) behaved differently from workers that emerge and forage at the end of colony development. Whilst we found no overall change in the foraging behaviour of workers with colony development, there were strong differences in foraging behaviour between queens and their workers. Queens appeared to forage more cautiously than their workers and were also quicker to learn. These behaviours could allow queens to maximise their nectar collecting efficiency whilst avoiding predation. Because the foundress queen is crucial to the survival and success of a bumble bee colony, more efficient foraging behaviour in queens may have strong adaptive value.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0090556&type=printable
spellingShingle Lisa J Evans
Nigel E Raine
Changes in learning and foraging behaviour within developing bumble bee (Bombus terrestris) colonies.
PLoS ONE
title Changes in learning and foraging behaviour within developing bumble bee (Bombus terrestris) colonies.
title_full Changes in learning and foraging behaviour within developing bumble bee (Bombus terrestris) colonies.
title_fullStr Changes in learning and foraging behaviour within developing bumble bee (Bombus terrestris) colonies.
title_full_unstemmed Changes in learning and foraging behaviour within developing bumble bee (Bombus terrestris) colonies.
title_short Changes in learning and foraging behaviour within developing bumble bee (Bombus terrestris) colonies.
title_sort changes in learning and foraging behaviour within developing bumble bee bombus terrestris colonies
url https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0090556&type=printable
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