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      Association of the borer Spermophthorus apuleiae (Coleoptera; Curculionidae; Scolytinae) with the "pau-ferro" tree Caesalpinia ferrea (Leguminosae) Translated title: Associação do besouro Spermophthorus apuleiae (Coleoptera; Curculionidae; Scolytinae) com a árvore "pau-ferro" Caesalpinia ferrea (Leguminosae)

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          Abstract

          The weevil subfamily Scolytinae includes beetles which may feed on the bark, trunk or roots of both live and dead trees and are sometimes considered forest and silvicultural pests. Less frequently, some species feed on seeds and may be cause economic losses when associated to plant cultivars. Spermophthorus apuleiae Costa-Lima is a Neotropical Scolytinae formerly recorded to be "associated" with seeds of Caesalpinia ferrea var. leiostachya Benth, a Brazilian tree popularly known in Portuguese as "pau-ferro". Hitherto, it was not clear whether these beetles actually feed on the seeds of that plant. In order to investigate the ability of S. apuleiae to feed on seeds of "pau-ferro", observations were done and colonies of these beetles were established. Both in the field and in captivity the beetles were not observed feeding on the seeds. Even when beetles were exposed to seeds as the only source of food they were incapable of boring or eating the seeds and died. Our data therefore suggest that S. apuleiae is a frugivorous species which peculiarly does not eat seeds of "pau-ferro".

          Translated abstract

          Besouros da subfamília Scolytinae são por vezes considerados como pragas silviculturais e florestais devido ao hábito de alimentar-se de sementes, cascas, troncos e raízes de plantas. Algumas espécies se alimentam de sementes e podem causar danos econômicos quando associadas a cultivares vegetais. Spermophthorus apuleiae Costa-Lima é um escolitídeo neotropical originalmente registrado como "associado" a sementes de Caesalpinia ferrea var. leiostachya Benth, uma árvore brasileira popularmente conhecida como "pau-ferro". Até o momento, não estava claro se esses besouros realmente se alimentam das sementes dessa planta. Para investigar a habilidade de S. apuleiae alimentar-se de sementes de "pau-ferro", observações e colônias desses besouros foram estabelecidos. Tanto em campo como em cativeiro, os besouros não foram observados comendo sementes. Besouros expostos a sementes como a única fonte de alimento foram incapazes de perfurar ou comer as sementes e morreram. Os dados sugerem que S. apuleiae é uma espécie frugívora que peculiarmente não se alimenta de sementes de "pau-ferro".

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          Most cited references15

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          Árvores brasileiras: manual de identificação e cultivo de plantas árvores nativas do Brasil

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            • Abstract: not found
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            Ecology of Scolytidae

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              • Record: found
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              Insetos do Brasil: Coleópteros

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                bn
                Biota Neotropica
                Biota Neotrop.
                Instituto Virtual da Biodiversidade | BIOTA - FAPESP (Campinas )
                1676-0611
                June 2011
                : 11
                : 2
                : 21-23
                Affiliations
                [1 ] Instituto Butantan Brazil
                [2 ] Universidade de São Paulo Brazil
                [3 ] Universidade de São Paulo Brazil
                Article
                S1676-06032011000200001
                10.1590/S1676-06032011000200001
                2bb4f5a0-da2f-407c-8e1b-bb764bc89171

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1676-0603&lng=en
                Categories
                BIODIVERSITY CONSERVATION

                Animal science & Zoology
                beetle,herbivory,seed,neotropical region,besouro,herbivoria,semente,região neotropical

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