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Nest structure and communal nesting in Euglossa (Glossura) annectans Dressler (Hymenoptera, Apidae, Euglossini)

Abstract

Three nests of Euglossa (Glossura) annectans Dressier, 1982 were obtained from trap nests at Serra do Japi, Jundiai, São Paulo State, Brazil. The bees nested in bamboo cane (one nest) and in wooden-boxes (two nests). Solitary (two cases) and pleometrotic (one case) foundations were observed. Two nests were re-used once by two females working in each of them. Re-using females that shared the nests were of the same generation and each built, provisioned and oviposited in her own cells, characterizing a communal association. The brood development period was related to climatic conditions. Natural enemies included Anthrax oedipus oedipus Fabricius, 1805 (Bombyliidae), Coelioxys sp. (Megachilidae) and Melittobia sp. (Eulophidae).

Apidae; Euglossini; Euglossa annectans; nesting biology; nest re-use


Nest structure and communal nesting in Euglossa (Glossura) annectans Dressler (Hymenoptera, Apidae, Euglossini)

Carlos Alberto Garófalo; Evandro Camillo; Solange Cristina Augusto; Bartira Maria Vieira de Jesus; José Carlos Serrano

Departamento de Biologia, Faculdade de Filosofia, Ciências e Letras, Universidade de São Paulo. 14040-901 Ribeirão Preto, São Paulo, Brasil

ABSTRACT

Three nests of Euglossa (Glossura) annectans Dressier, 1982 were obtained from trap nests at Serra do Japi, Jundiai, São Paulo State, Brazil. The bees nested in bamboo cane (one nest) and in wooden-boxes (two nests). Solitary (two cases) and pleometrotic (one case) foundations were observed. Two nests were re-used once by two females working in each of them. Re-using females that shared the nests were of the same generation and each built, provisioned and oviposited in her own cells, characterizing a communal association. The brood development period was related to climatic conditions. Natural enemies included Anthrax oedipus oedipus Fabricius, 1805 (Bombyliidae), Coelioxys sp. (Megachilidae) and Melittobia sp. (Eulophidae).

Key words: Apidae, Euglossini, Euglossa annectans, nesting biology, nest re-use.

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ACKNOWLEDGEMENTS. We are grateful to Carlos J.E. Lamas (Museu Nacional, UFRJ), who kindly identified the

Anthrax,

Edilson S.R. da Silva, for technical help and Claudete Aguiar, Director of the Base de Estudos de Ecologia e Educação Ambiental, and Lauro de Carvalho, for providing excellent facilities for this study.

Recebido em 25.IV.1997; aceito em 13.VII.1998.

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Publication Dates

  • Publication in this collection
    10 July 2009
  • Date of issue
    1998

History

  • Accepted
    13 July 1998
  • Received
    25 Apr 1997
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