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Sazonalidade e horário de atividade de abelhas Euglossinae (Hymenoptera, Apidae), em florestas de terra firme na Amazônia Central

Seasonality and daily activity of Euglossinae bees (Hymenoptera, Apidae) in terra firme forest in Central Amazonia

Resumo

Euglossinae bee fauna of two areas of terra firme forest near Manaus, Amazonas, Brazil was compared. Over a twelve-month period collections were done fortnightly, between 7:00 a.m and 5:00 p.m, using traps with eight kinds of scent baits. The traps were placed in the understory and in tree crowns. The majority of species and specimens was most active between August-December, near the beginning of the rainy season in this region. The bees were most active from 9:00 a.m. until 4:00 p.m., while air temperatures were between 24.5-27ºC, but there was a decline in this activity when air temperature varied above or below of this range. There were differences in the seasonality and in the daily activity patterns for the two areas studied but these differences were not significative.

Orchid-bees; Euglossinae; daily activity; seasonality; Amazonia


Orchid-bees; Euglossinae; daily activity; seasonality; Amazonia

Sazonalidade e horário de atividade de abelhas Euglossinae (Hymenoptera, Apidae), em florestas de terra firme na Amazônia Central1 1 Publicação número 192 do Projeto Dinâmica Biológica de Fragmentos Florestais (INPA-SI).

Seasonality and daily activity of Euglossinae bees (Hymenoptera, Apidae) in terra firme forest in Central Amazonia

Marcio Luiz de Oliveira

Departamento de Ciências da Natureza, Universidade Federal do Acre. Rodovia BR 364, Km 5, 69915-900 Rio Branco, Acre, Brasil

Endereço para correspondência Endereço para correspondência: Departamento de Biologia Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto Universidade de São Paulo. 14040-901 Ribeirão Preto, São Paulo, Brasil E-mail: mlolivei@usp.br

ABSTRACT

Euglossinae bee fauna of two areas of terra firme forest near Manaus, Amazonas, Brazil was compared. Over a twelve-month period collections were done fortnightly, between 7:00 a.m and 5:00 p.m, using traps with eight kinds of scent baits. The traps were placed in the understory and in tree crowns. The majority of species and specimens was most active between August-December, near the beginning of the rainy season in this region. The bees were most active from 9:00 a.m. until 4:00 p.m., while air temperatures were between 24.5-27ºC, but there was a decline in this activity when air temperature varied above or below of this range. There were differences in the seasonality and in the daily activity patterns for the two areas studied but these differences were not significative.

Key words: Orchid-bees, Euglossinae, daily activity, seasonality, Amazonia

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AGRADECIMENTOS. Ao Projeto Dinâmica Biológica de Fragmentos Florestais (PDBFF/INPA-SI) pelo auxílio financeiro e apoio nas atividades de campo. A Elder Morato, Fernando Zanella e Maria Cristina Gaglianone pelas sugestões.

Recebido em 19.IX.1997; aceito em 25.I.1999.

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  • Endereço para correspondência:
    Departamento de Biologia
    Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto
    Universidade de São Paulo. 14040-901
    Ribeirão Preto, São Paulo, Brasil
    E-mail:
  • 1
    Publicação número 192 do Projeto Dinâmica Biológica de Fragmentos Florestais (INPA-SI).
  • Datas de Publicação

    • Publicação nesta coleção
      10 Jul 2009
    • Data do Fascículo
      Mar 1999

    Histórico

    • Aceito
      25 Jan 1999
    • Recebido
      19 Set 1997
    Sociedade Brasileira de Zoologia Caixa Postal 19020, 81531-980 Curitiba PR Brasil, Tel./Fax: +55 41 3266-6823, - Curitiba - PR - Brazil
    E-mail: sbz@bio.ufpr.br