Please use this identifier to cite or link to this item: http://www.repositorio.ufop.br/handle/123456789/6129
Title: Senescent stem-galls in trees of Eremanthus erythropappus as a resource for arboreal ants.
Authors: Almeida, Maria Fernanda Brito de
Santos, Leonardo Rodrigues dos
Carneiro, Marco Antonio Alves
Keywords: Herbivores
Insecta
Interaction
Nesting
Issue Date: 2014
Citation: ALMEIDA, M. F. B. de; SANTOS, L. R. dos; CARNEIRO, M. A. A. Senescent stem-galls in trees of Eremanthus erythropappus as a resource for arboreal ants. Revista Brasileira de Entomologia, v. 58, p. 265-272, 2014. Disponível em: <http://www.scielo.br/pdf/rbent/v58n3/a07v58n3.pdf>. Acesso em: 12 nov. 2015.
Abstract: Senescent stem-galls in trees of Eremanthus erythropappus as a resource for arboreal ants. Members of the dipteran families Tephritidae and Cecidomyiidae are inducers of stem-galls in Eremanthus erythropappus (DC.) MacLeish (Asteraceae), a tree common in the state of Minas Gerais, Brazil. When senescent, these galls become available to other organisms, such as ants. The present study describes a community of ants having benefitted from this process of ecosystem-engineering. The colonies in question inhabit the senescent stem-galls of trees of E. erythropappus and were examined in view of answering the following questions: i) whether the presence of stem-galls had any bearing on the richness, composition, or size of the ant colonies therein; and ii) whether the ants displayed any preferences regarding the shape and/or size of the galls. The study was conducted in populations of E. erythropappus trees near the city of Ouro Preto, MG. A total of 227 galls were collected, 14% of which were occupied by ants, belonging to eight different species. Half of the species occupied galls of both morphotypes (fusiform and globular), although we observed a marked preference for larger, globular shapes. Overall, our results showed the galls to be an effective and abundant resource, helping to maintain the diversity of the ants in the canopy. We also observed the occurrence of outstations and polydomic nests, although an in-depth examination of the influence of galls on this type of structuring has not been investigated.
URI: http://www.repositorio.ufop.br/handle/123456789/6129
metadata.dc.identifier.doi: http://dx.doi.org/10.1590/S0085-56262014000300007
ISSN: 1806-9665
metadata.dc.rights.license: Todo o conteúdo do periódico Revista Brasileira de Entomologia, exceto onde identificado, está licenciado sob uma licença Creative Commons que permite copiar, distribuir e transmitir o trabalho em qualquer suporte ou formato desde que sejam citados o autor e o licenciante. Não permite o uso para fins comerciais nem a adaptação. Fonte: Revista Brasileira de Entomologia <http://www.scielo.br/scielo.php?script=sci_serial&pid=0085-5626&lng=en&nrm=iso>. Acesso em: 26 ago. 2019.
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