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Microhabitat selection and co-occurrence of Pachistopelma rufonigrum Pocock (Araneae, Theraphosidae) and Nothroctenus fuxico sp. nov. (Araneae, Ctenidae) in tank bromeliads from Serra de Itabaiana, Sergipe, Brazil

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Autor(es):
Dias, Sidclay Calaça ; Brescovit, Antonio D. [2]
Número total de Autores: 2
Tipo de documento: Artigo Científico
Fonte: Revista Brasileira de Zoologia; v. 21, n. 4, p. 789-796, Dec. 2004.
Área do conhecimento: Ciências Biológicas - Zoologia
Assunto(s):Arachnida   Araneae   Theraphosidae   Pachistopelma rufonigrum   Nothroctenus fuxico   Bromelia   Sergipe
Resumo

Microhabitat selection and co-occurrence of Pachistopelma rufonigrum Pocock (Theraphosidae) and Nothroctenus fuxico sp. nov. (Ctenidae), in tank bromeliads were investigated. Thermal conditions, inside and outside the plants, were measured in order to verify if the temperature of the water that accumulates inside the plant affects the behavior of these species. Measurements of foliar parameters were taken in order to evaluate if and how plant structure affects spider abundance and microhabitat selection. Apparently, differences in plant structure do not affect either spider abundance or microhabitat selection. No microhabitat preference was observed and co-ocurrence of both species was a random event. In addition, notes on the distribution range of P. rufonigrum and the description of N. fuxico sp. nov. from State of Sergipe, Brazil are presented. (AU)

Processo FAPESP: 99/05446-8 - Biodiversidade de Arachnida e Myriapoda do estado de São Paulo
Beneficiário:Antonio Domingos Brescovit
Linha de fomento: Auxílio à Pesquisa - Programa BIOTA - Temático