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Post-selection and return of foraged material by Acromyrmex subterraneus brunneus (Hymenoptera: Formicidae)
(2003-05-19)
Two colonies of Acromyrmex subterraneus brunneus Forel (Hymenoptera: Formicidae) were studied regarding their behavior during cultivation of the fungus garden to determine a) the existence of post-selection of foraged ...
Alimentary preconditioning in Acromyrmex subterraneus brunneus workers
(2003-05-19)
Ants suffer a strong environmental influence and are sometimes conditioned for many social activities. To understand better this phenomenon in leaf-cutting ants, 24 colonies of Acromyrmex subterraneus brunneus (Hymenoptera: ...
Ocorrência de formigas Acromyrmex Mayr, 1865, em alguns municípios do Brasil
(2005-04-01)
It were collected species of Acromyrmex Mayr, 1865 in many brazilian cities from Santa Catarina, Paraná, São Paulo, Minas Gerais, Goiás, Mato Grosso do Sul, Mato Grosso, Rondônia and Amapá states and in Paraguay and Uruguay, ...
Characterization of Acromyrmex subterraneus brunneus (Hymenoptera: Formicidae) young nests in a fragment of the Neotropical Forest
(Sociedade de Investigações Florestais, 2004-04-01)
Ninhos jovens de Acromyrmex subterraneus brunneus caracterizam-se pela terra solta no exterior do ninho, por ter uma única câmara de fungo com profundidade de 11 a 20 cm em relação à superfície do solo e por ter volume ...
The effect of plant diversity on fungus garden development and foraging behavior of leaf-cutting ants (Hymenoptera: Formicidae)
(2003-08-18)
The leaf-cutting ants forage a wide variety of plant species, used for symbiotic fungus cultivation. To better understand this tripartite complex interaction, 24 colonies of Acromyrmex subterraneus brunneus were conditioned ...
Bionomics and identification of Acromyrmex (Hymenoptera: Formicidae) through an illustrated key
(2006-07-19)
This study is based on sampled data obtained in 60 equally distant municipalities of São Paulo State. In this study, we proposed a tool to identify Acromyrmex species in a practical and agile manner through the use of an ...
Physical resistance as a criterion in the selection of foraging material by Acromyrmex subterraneus brunneus Forel, 1911 (Hym., Formicidae)
(Wiley-Blackwell, 2004-06-01)
Leaf-cutting ants forage on a wide variety of plant species using the physical and chemical characteristics of the plants as a selection criterion. In order to determine the influence of the physical factor on the selection ...
Description and morphometry of the sting apparatus in the three worker casts of Acromyrmex subterraneus brunneus (Formicidae, Attini)
(2007-11-15)
We studied the morphometry of the sting apparatus of Acromyrmex subterraneus brunneus workers by dissection and mounting of the structures on slides, and present here a brief description and illustrations. Sting apparatus ...
Aloetismo em Acromyrmex subterraneus brunneus Forel (Hymenoptera, Formicidae), durante o forrageamento, cultivo do jardim de fungo e devolução dos materiais forrageados
(Sociedade Brasileira de Entomologia, 2004-03-01)
As formigas cortadeiras apresentam uma sofisticada divisão de trabalho durante o forrageamento, cultivo do jardim de fungo e devolução dos materiais forrageados. Materiais com diferentes graus de hidratação e dureza (esponja ...