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Dinâmica espaço-temporal de taxocenoses de crisopídeos (Neuroptera: Chrysopidae) em ecossistemas naturais

2010; Springer Nature; Volume: 39; Issue: 4 Linguagem: Inglês

10.1590/s1519-566x2010000400003

1678-8052

Renildo Ismael Félix da Costa, Brígida Souza, Sérgio de Freitas,

Plant and animal studies

In order to study the interactions of green lacewings toxocenosis on natural ecossystems, samplings were carried out in the Parque Ecológico Quedas do Rio Bonito, located in Lavras, Alto Rio Grande region, South of Minas Gerais, Brazil.The species inventory was accomplished in two vegetation types: semi-evergreen forest and open fi eld formations, including areas of montane grassland, rocky montane grassland and "cerrado".Insects were captured with a butterfl y net during 2h, walking through each vegetation formation.Sampling resulted in 1,948 specimens belonging to 30 species, of which 14 were Chrysopini and 16 Leucochrysini.Representatives of these tribes were observed both in forest and in open fi eld formations.Species of the genera Ceraeochrysa, Chrysoperla, Chrysopodes, Plesiochrysa and Leucochrysa were found in forests and in open fi eld formations, except for Plesiochrysa.The highest richness and diversity of species were observed in the forest.The similarity index among the communities of green lacewings in the studied areas was 27%.