Myrmecofauna of urban gardens in southeast region of Brazil
Keywords:Squares, Surveying, Urban Ants
In an urban environment, ants can find shelter for the construction of their nests and resources available for survival. Myrmecofauna surveys have been conducted in forest fragments and residential areas, but there are few studies on the occurrence of these insects in urban gardens. For this reason, the aim of this study is to know the composition of ant communities in urban gardens in the city of Juiz de Fora, southeast region of Brazil. Samples were taken from six gardens between November 2005 and June 2006. We used a consortium of three methodologies: active searching, baits and pitfall traps. We collected specimens of 26 genera and seven subfamilies. The subfamily Myrmicinae was the most diverse, and the genus Wasmannia, was considered the most constant, followed by Camponotus and Linepithema. The efficiency index of the methodologies demonstrated that active searching was the most efficient (96.15%) methodology. This method is efficient and sufficient for sampling ants in urban gardens, since 25 of the 26 genera sampled, presenting seven exclusive genera. The green area was not positively correlated with the diversity of ant genera in the urban gardens, demonstrating that other variables may be involved.
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Copyright (c) 2015 Manuella Rezende Vital, Mariana Monteiro de Castro, Viviane Zeringóta, Fábio Prezoto
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