Crab spiders (Araneae: Thomisidae) in flowering plants in a Brazilian "Cerrado" ecosystem

Although crab spiders are common in flowering plants, their relations with plant species and its floral traits have been poorly known in the Neotropics. Observations regarding plant habits, floral visitors and also floral characteristics such as anthesis, odour, shape, colour and floral resources we...

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Main Authors: LC Rocha-Filho, IMP Rinaldi
Format: Article
Language:English
Published: Instituto Internacional de Ecologia
Series:Brazilian Journal of Biology
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842011000300004&lng=en&tlng=en
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author LC Rocha-Filho
IMP Rinaldi
author_facet LC Rocha-Filho
IMP Rinaldi
author_sort LC Rocha-Filho
collection DOAJ
description Although crab spiders are common in flowering plants, their relations with plant species and its floral traits have been poorly known in the Neotropics. Observations regarding plant habits, floral visitors and also floral characteristics such as anthesis, odour, shape, colour and floral resources were recorded in flowering plant species of an area of "Cerrado" on a 2 km long trail. Misumenops argenteus and Misumenops pallens accounted for 62.86% of the spiders captured on 22 flowering plant species. The plants Senna rugosa (Fabaceae), Styrax ferrugineus (Styracaceae) and Banisteriopsis campestris (Malpighiaceae), hosted, each one, about 10 to 17% of the total spiders collected and these plants had diurnal anthesis, bee-attractive flower colours such as yellow (S. rugosa), white (S. ferrugineus), and pink (B. campestris), poricidal anthers as well as being visited by bees which evidenced bee-pollination syndrome. This study is the first survey regarding crab spiders and their associations with plant species of the "Cerrado".
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spelling doaj.art-81c9760247da42e5904f18861a361bc02022-12-22T02:08:31ZengInstituto Internacional de EcologiaBrazilian Journal of Biology1678-437571235936410.1590/S1519-69842011000300004S1519-69842011000300004Crab spiders (Araneae: Thomisidae) in flowering plants in a Brazilian "Cerrado" ecosystemLC Rocha-Filho0IMP Rinaldi1Universidade de São PauloUniversidade Estadual PaulistaAlthough crab spiders are common in flowering plants, their relations with plant species and its floral traits have been poorly known in the Neotropics. Observations regarding plant habits, floral visitors and also floral characteristics such as anthesis, odour, shape, colour and floral resources were recorded in flowering plant species of an area of "Cerrado" on a 2 km long trail. Misumenops argenteus and Misumenops pallens accounted for 62.86% of the spiders captured on 22 flowering plant species. The plants Senna rugosa (Fabaceae), Styrax ferrugineus (Styracaceae) and Banisteriopsis campestris (Malpighiaceae), hosted, each one, about 10 to 17% of the total spiders collected and these plants had diurnal anthesis, bee-attractive flower colours such as yellow (S. rugosa), white (S. ferrugineus), and pink (B. campestris), poricidal anthers as well as being visited by bees which evidenced bee-pollination syndrome. This study is the first survey regarding crab spiders and their associations with plant species of the "Cerrado".http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842011000300004&lng=en&tlng=enambush spidersMisumenopsfloral biologyfloral visitors
spellingShingle LC Rocha-Filho
IMP Rinaldi
Crab spiders (Araneae: Thomisidae) in flowering plants in a Brazilian "Cerrado" ecosystem
Brazilian Journal of Biology
ambush spiders
Misumenops
floral biology
floral visitors
title Crab spiders (Araneae: Thomisidae) in flowering plants in a Brazilian "Cerrado" ecosystem
title_full Crab spiders (Araneae: Thomisidae) in flowering plants in a Brazilian "Cerrado" ecosystem
title_fullStr Crab spiders (Araneae: Thomisidae) in flowering plants in a Brazilian "Cerrado" ecosystem
title_full_unstemmed Crab spiders (Araneae: Thomisidae) in flowering plants in a Brazilian "Cerrado" ecosystem
title_short Crab spiders (Araneae: Thomisidae) in flowering plants in a Brazilian "Cerrado" ecosystem
title_sort crab spiders araneae thomisidae in flowering plants in a brazilian cerrado ecosystem
topic ambush spiders
Misumenops
floral biology
floral visitors
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842011000300004&lng=en&tlng=en
work_keys_str_mv AT lcrochafilho crabspidersaraneaethomisidaeinfloweringplantsinabraziliancerradoecosystem
AT imprinaldi crabspidersaraneaethomisidaeinfloweringplantsinabraziliancerradoecosystem