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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
08/02/2012 |
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Data da última atualização: |
11/11/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GRÜTER, C.; MENEZES, C.; IMPERATRIZ-FONSECA, V. L.; RATNIEKS, F. L. W. |
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Afiliação: |
CHRISTOPH GRÜTER, UNIVERSITY OF SUSSEX; CRISTIANO MENEZES, CPATU; VERA L. IMPERATRIZ-FONSECA, UNIVERSIDADE FEDERAL RURAL DO SEMIÁRIDO; FRANCIS L. W. RATNIEKS, UNIVERSITY OF SUSSEX. |
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Título: |
A morphologically specialized soldier caste improves colony defense in a neotropical eusocial bee. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
PNAS, v. 109, n. 4, p. 1182-11986, Jan. 2012. |
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DOI: |
10.1073/pnas.1113398109 |
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Idioma: |
Inglês |
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Conteúdo: |
Division of labor among workers is common in insect societies and is thought to be important in their ecological success. In most species, division of labor is based on age (temporal castes), but workers in some ants and termites show morphological specialization for particular tasks (physical castes). Large-headed soldier ants and termites are well-known examples of this specialization. However, until now there has been no equivalent example of physical worker subcastes in social bees or wasps. Here we provide evidence for a physical soldier subcaste in a bee. In the neotropical stingless bee Tetragonisca angustula, nest defense is performed by two groups of guards, one hovering near the nest entrance and the other standing on the wax entrance tube. We show that both types of guards are 30% heavier than foragers and of different shape; foragers have relatively larger heads, whereas guards have larger legs. Low variation within each subcaste results in negligible size overlap between guards and foragers, further indicating that they are distinct physical castes. In addition, workers that remove garbage from the nest are of intermediate size, suggesting that they might represent another unrecognized caste. Guards or soldiers are reared in low but sufficient numbers (1?2% of emerging workers), considering that <1% usually perform this task. When challenged by the obligate robber bee Lestrimelitta limao, an important natural enemy, larger workers were able to fight for longer before being defeated by the much larger robber. This discovery opens up opportunities for the comparative study of physical castes in social insects, including the question of why soldiers appear to be so much rarer in bees than in ants or termites. MenosDivision of labor among workers is common in insect societies and is thought to be important in their ecological success. In most species, division of labor is based on age (temporal castes), but workers in some ants and termites show morphological specialization for particular tasks (physical castes). Large-headed soldier ants and termites are well-known examples of this specialization. However, until now there has been no equivalent example of physical worker subcastes in social bees or wasps. Here we provide evidence for a physical soldier subcaste in a bee. In the neotropical stingless bee Tetragonisca angustula, nest defense is performed by two groups of guards, one hovering near the nest entrance and the other standing on the wax entrance tube. We show that both types of guards are 30% heavier than foragers and of different shape; foragers have relatively larger heads, whereas guards have larger legs. Low variation within each subcaste results in negligible size overlap between guards and foragers, further indicating that they are distinct physical castes. In addition, workers that remove garbage from the nest are of intermediate size, suggesting that they might represent another unrecognized caste. Guards or soldiers are reared in low but sufficient numbers (1?2% of emerging workers), considering that <1% usually perform this task. When challenged by the obligate robber bee Lestrimelitta limao, an important natural enemy, larger workers were able to fight for longer b... Mostrar Tudo |
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Palavras-Chave: |
Abelha-sem-ferrão; Defesa; Meliponicultura. |
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Thesagro: |
Colônia. |
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Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
LEADER 02403naa a2200217 a 4500
001 1914703
005 2022-11-11
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1073/pnas.1113398109$2DOI
100 1 $aGRÜTER, C.
245 $aA morphologically specialized soldier caste improves colony defense in a neotropical eusocial bee.$h[electronic resource]
260 $c2012
520 $aDivision of labor among workers is common in insect societies and is thought to be important in their ecological success. In most species, division of labor is based on age (temporal castes), but workers in some ants and termites show morphological specialization for particular tasks (physical castes). Large-headed soldier ants and termites are well-known examples of this specialization. However, until now there has been no equivalent example of physical worker subcastes in social bees or wasps. Here we provide evidence for a physical soldier subcaste in a bee. In the neotropical stingless bee Tetragonisca angustula, nest defense is performed by two groups of guards, one hovering near the nest entrance and the other standing on the wax entrance tube. We show that both types of guards are 30% heavier than foragers and of different shape; foragers have relatively larger heads, whereas guards have larger legs. Low variation within each subcaste results in negligible size overlap between guards and foragers, further indicating that they are distinct physical castes. In addition, workers that remove garbage from the nest are of intermediate size, suggesting that they might represent another unrecognized caste. Guards or soldiers are reared in low but sufficient numbers (1?2% of emerging workers), considering that <1% usually perform this task. When challenged by the obligate robber bee Lestrimelitta limao, an important natural enemy, larger workers were able to fight for longer before being defeated by the much larger robber. This discovery opens up opportunities for the comparative study of physical castes in social insects, including the question of why soldiers appear to be so much rarer in bees than in ants or termites.
650 $aColônia
653 $aAbelha-sem-ferrão
653 $aDefesa
653 $aMeliponicultura
700 1 $aMENEZES, C.
700 1 $aIMPERATRIZ-FONSECA, V. L.
700 1 $aRATNIEKS, F. L. W.
773 $tPNAS$gv. 109, n. 4, p. 1182-11986, Jan. 2012.
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Embrapa Amazônia Oriental (CPATU) |
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| 10. |  | SANTOS, I. dos; MATSUMURA, A. T. S.; LUZ, W. C. da. Ação antogônica de bactérias e leveduras epífitas a diferentes isolados de Bipolaris sorokiniana em trigo. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 27., 1994, Itajai. Fitopatologia Brasileira, Brasília, DF, v. 19, p. 290, ago. 1994. Suplemento.| Biblioteca(s): Embrapa Trigo. |
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| 11. | | VIGNOLO, G. K.; CARPENEDO, S.; SANTOS, I. dos; ALDRIGHI, M.; PICOLOTTO, L.; ANTUNES, L. E. C. Efeitos de épocas de poda e genótipos na qualidade de pêssegos. In: SEMINÁRIO INTERNACIONAL DE EDUCAÇÃO E PESQUISA EM ECOLOGIA, 2., 2009, Pelotas, Resumos...Pelotas: UCPel, 2010. 98-101| Tipo: Resumo em Anais de Congresso |
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| 12. | | ASSMANN, A. P.; CITADIN, I.; SANTOS, I. dos; WAGNER JÚNIOR, A. Reação de genótipos de pessegueiro à ferrugem-da-folha. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 45, n. 1, p. 32-40, jan. 2010. Título em inglês: Peach genotypes reaction to leaf rust.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 16. | | SACHET, M. R.; CITADIN, I.; SCARIOTTO, S.; SANTOS, I. dos; ZYDEK, P. H.; RASEIRA, M. do C. B. Reaction of Peach Genotypes to Bacterial Leaf Spot: Correlations with Environmental Conditions, Leaf Phenology, and Morphology. HortScience, v. 48, p. 28-33, 2013.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 17. | | MAZARO, S. M.; WAGNER JÚNIOR, A.; SANTOS, I. dos; CITADIN, I.; POSSENTI, J. C.; GOUVÊA, A. de. Controle do tombamento de plântulas de beterraba e tomate pelo tratamento de sementes com quitosana. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 44, n. 11, p. 1424-1430, nov. 2009 Título em inglês: Control of beet and tomato damping?off by seed treatment with chitosan.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 18. | | GODOY, C. V.; SIQUERI, F. V.; FEKSA, H. R.; MENDES, C. S.; ITO, M. A.; MIGUEL-WRUCK, D. S.; MARTINS, M. C.; ANDRADE, N. S.; ALMEIDA, N. S.; NUNES JUNIOR, J.; PIMENTA, C. B.; FURLAN, S. H.; MACIEL, J. L. N.; COSTAMILAN, L. M.; UTIAMADA, C. M.; SATO, L. N.; KLINGELFUSS-BAPTISTA, L. H.; SANTOS, I. dos; ANDRADE, P. M. IAMAMOTO, M.; MEYER, M. C.; RODACKI, M. E. P.; MAIA, G. L.; BORGES, E. P.; LOPES, I. O. N. Resultados sumarizados dos ensaios em rede para controle da ferrugem asiática da soja (Phakopsora pachyrhizi). In: REUNIÃO DE PESQUISA DE SOJA DA REGIÃO CENTRAL DO BRASIL, 28., 2006, Uberaba. Resumos... Londrina: Embrapa Soja: Fundação Meridional: Fundação Triângulo, 2006. p. 280-282. (Embrapa Soja. Documentos, 272). Organizado por Odilon Ferreira Saraiva, Regina Maria Villas Boas de Campos Leite, Janete Lasso Ortiz.| Tipo: Artigo em Anais de Congresso / Nota Técnica |
| Biblioteca(s): Embrapa Soja; Embrapa Trigo. |
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| 19. | | GODOY, C. V.; LOPES, I. O. N.; NUNES JUNIOR, J.; PIMENTA, C. B.; FURLAN, S. H.; ABUD, S.; SOUZA, P. I. M.; IAMAMOTO, M. M.; BARROS, R.; SIQUERI, F. V.; ITO, M. A.; MIGUEL-WRUCK, D. S.; DIAS, M. D.; ANDRADE, P. M.; GAVASSONI, W. L.; MARTINS, M. C.; ANDRADE, N. S.; ALMEIDA, N. S.; FEKSA, H. R.; MEYER, M. C.; SANTOS, I. dos; BALARDIN, R. Eficiência de triazóis nos ensaios em rede para controle da ferrugem asiática da soja (Phakopsora pachyrhizi). In: REUNIÃO DE PESQUISA DE SOJA DA REGIÃO CENTRAL DO BRASIL, 29., 2007, Campo Grande, MS. Resumos... Londrina: Embrapa Soja, 2007. p. 80-82. (Embrapa Soja. Documentos, 287). Organizado por Odilon Ferreira Saraiva, Regina Maria Villas Boas de Campos Leite, Simone Ery Grosskopf.| Tipo: Resumo em Anais de Congresso | Circulação/Nível: -- - -- |
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| 20. | | GODOY, C. V.; PIMENTA, C. B.; MIGUEL-WRUCK, D. S.; RAMOS JUNIOR, E. U.; SIQUERI, F, V.; FEKSA, H. R.; SANTOS, I. dos; LOPES, I. O. N.; NUNES JUNIOR, J.; ITO, M. A.; IAMAMOTO, M. M.; ITO, M. F.; MEYER, M. C.; DIAS, M. D.; MARTINS, M. C.; ALMEIDA, N. S.; ANDRADE, N. S.; ANDRADE, P. J. M.; SOUZA, P. I. M.; BALARDIN, R. S.; BARROS, R.; SILVA, S. A. da; FURLAN, S. H.; GAVASSONI, W. L. Eficiência de fungicidas para controle da ferrugem asiática da soja, Phakopsora pachyrhizi, na safra 2006/07. Resultados sumarizados dos ensaio em rede. Londrina: Embrapa Soja, 2007. 8 p. (Embrapa Soja. Circular Técnica, 42).| Biblioteca(s): Embrapa Cerrados. |
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