2007
DOI: 10.1111/j.1439-0418.2006.01129.x
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Age polyethism in the leaf‐cutting ant Acromyrmex subterraneus brunneus Forel, 1911 (Hym., Formicidae)

Abstract: This study describes and quantifies the behavioural acts of two laboratory colonies of Acromyrmex subterraneus brunneus by investigating worker age polyethism. Twenty-nine behavioural acts were recorded during the 19-week observation period. Young individuals performed tasks inside the nest related to brood care and care for the fungus garden, whereas older individuals performed activities outside the nest such as foraging and activities in the waste chamber. The average longevity (±SD) was 108.21 ± 3.30, 109.… Show more

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Cited by 78 publications
(75 citation statements)
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“…Even without predation in laboratory colonies, large workers have a shorter lifespan than small workers [26] . Similar results have been found in leaf-cutting ants [27] -in contrast to the common trend that, across animals, larger body size is associated with a longer lifespan [5] .…”
Section: Evolutionary Theories Of Aging Can Explain Why Queens Outlivmentioning
confidence: 47%
“…Even without predation in laboratory colonies, large workers have a shorter lifespan than small workers [26] . Similar results have been found in leaf-cutting ants [27] -in contrast to the common trend that, across animals, larger body size is associated with a longer lifespan [5] .…”
Section: Evolutionary Theories Of Aging Can Explain Why Queens Outlivmentioning
confidence: 47%
“…The experiment used five colonies of Acromyrmex octospinosus (Reich 1793) leaf-cutting ants, a species with large, complex societies of polymorphic workers, in which medium-sized workers care for the brood and mutualistic fungal crop when young, and switch to extranidal foraging and waste management when old (Camargo et al, 2007;Waddington and Hughes, 2010). Colonies were collected in Gamboa, Panama, and kept at 80±5% relative humidity, 26±2°C, and a 12 h:12 h light:dark cycle on a diet of privet leaves (Ligustrum spp.…”
Section: Methodsmentioning
confidence: 99%
“…Em formigas cortadeiras, é conhecido que as operárias pequenas (mais ativas) têm uma maior probabilidade de atingir a idade avançada do que operárias médias e grandes (menos ativas) (CAMARGO et al, 2007). Esse padrão também foi observado nas formigas tecelãs, Oecophylla smaragdina, em que operárias menores tiveram uma probabilidade maior de sobrevivência do que operárias maiores (CHAPUISAT & KELLER, 2002).…”
Section: Discussionunclassified
“…O primeiro tipo corresponde ao metabolismo basal ou de atividade mínima do animal; o segundo refere-se a um padrão em que os animais têm movimentos limitados, mas não são completamente imobilizados; e o terceiro refere-se ao metabolismo ativo e está relacionado à atividade máxima, como, por exemplo, o voo (PROSSER, 1968).Em formigas cortadeiras (Atta e Acromyrmex), pode-se categorizar, como metabolismo de rotina, a execução de atividades de baixo custo metabólico no interior de suas colônias, como a limpeza mútua e auto limpeza (WILSON, 1980;CAMARGO et al, 2007). Esses atos comportamentais são atividades comuns entre as operárias, as quais se limpam utilizando suas peças bucais e pernas, sendo que os detritos são conduzidos para a cavidade infrabucal, compactados, e, posteriormente, descartados (EISNER,…”
unclassified