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Himenópteros associados a Solanum gilo raddi (Solanaceae)

Hymenoptera associated to Solanum gilo (Solanaceae)

Resumo

The Hymenoptera fauna associated to Solanum gilo was studied. There were 21 species of Hymenoptera from eight families. It was observed Homalotylus flaminus (Dalman, 1820) (Encyrtidae) parasiting the adults of Cycloneda sanguinea Linnaeus, 1763 (Coleoptera, Coccinellidae) and Chalcididae parasiting caterpillars of Mechanitis pofymnia casabranca Haensch, 1905 (Lepidoptera, Nymphalidae, Ithomiinae, Sthomiinae). Vespidae were observed preying both M. pofymnia casabranca and Diabrotica speciosa Germar, 1824 (Coleoptera, Chrysomelidae) adults. Halictidae, Andrenidae and Anthophoridae, were observed visiting flowers and Trigona spinipes (Fabricius, 1793) (Apidae) attacking fruits and stem ápices. The most abundant Hymenoptera were Formicidae; Cremalogaster sp. and Camponotus rufipes (Fabricus, 1775) were observed in protocooperation relation with Homoptera, the main cause of plant mortality was Solenopsis saevissima (Smith, 1855). Higher population density of Formicidae occurred on the final phase of cultivation, when there were high insolation and temperature and low pluvial precipitations.

Insecta; entomofauna; population dynamics; protocooperation


Insecta; entomofauna; population dynamics; protocooperation

Himenópteros associados a Solanum gilo raddi (Solanaceae)

Hymenoptera associated to Solanum gilo (Solanaceae)

Marcelo PicançoI; Vicente Wagner Dias CasaliII; Ivênio Rubens de OliveiraI; Germano Leão Demolin LeiteI

IDepartamento de Biologia Animal, Universidade Federal de Viçosa, 36571-000, Viçosa, Minas Gerais, Brasil

IIDepartamento de Fitotecnia, Universidade Federal de Viçosa, 36571-000, Viçosa, Minas Gerais, Brasil

ABSTRACT

The Hymenoptera fauna associated to Solanum gilo was studied. There were 21 species of Hymenoptera from eight families. It was observed Homalotylus flaminus (Dalman, 1820) (Encyrtidae) parasiting the adults of Cycloneda sanguinea Linnaeus, 1763 (Coleoptera, Coccinellidae) and Chalcididae parasiting caterpillars of Mechanitis pofymnia casabranca Haensch, 1905 (Lepidoptera, Nymphalidae, Ithomiinae, Sthomiinae). Vespidae were observed preying both M. pofymnia casabranca and Diabrotica speciosa Germar, 1824 (Coleoptera, Chrysomelidae) adults. Halictidae, Andrenidae and Anthophoridae, were observed visiting flowers and Trigona spinipes (Fabricius, 1793) (Apidae) attacking fruits and stem ápices. The most abundant Hymenoptera were Formicidae; Cremalogaster sp. and Camponotus rufipes (Fabricus, 1775) were observed in protocooperation relation with Homoptera, the main cause of plant mortality was Solenopsis saevissima (Smith, 1855). Higher population density of Formicidae occurred on the final phase of cultivation, when there were high insolation and temperature and low pluvial precipitations.

Key words: Insecta, entomofauna, population dynamics, protocooperation

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Recebido em 16.I.1997; aceito em 18.IX.1997.

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Datas de Publicação

  • Publicação nesta coleção
    10 Jul 2009
  • Data do Fascículo
    Dez 1997

Histórico

  • Aceito
    18 Set 1997
  • Recebido
    16 Jan 1997
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