Nests of Eufriesea aff. auriceps (Hymenoptera, Apidae, Euglossini) in remnants of Atlantic Forest and reforested areas


  • André Luiz Gobatto Universidade Estadual de Londrina
  • Amanda Guimarães Franciscon Universidade Estadual de Londrina
  • Natalia Uemura Universidade Estadual de Londrina
  • Susanna Mendes Miranda Universidade Estadual de Londrina
  • Giovanna Gabriely Cesar Universidade Estadual de Londrina
  • Ana Carolina Oliveira-Silva Universidade Estadual de Londrina
  • Thais Kotelok-Diniz Universidade Estadual de Londrina
  • Silvia Sofia Universidade Estadual de Londrina



orchid bee, euglossine, nest architecture, trap-nest, nest


In recent decades, the use of the trap-nest technique has helped to increase knowledge on the nest architecture of many orchid bee species. This study describes the nest architecture of Eufriesea aff. auriceps constructed in trap-nests made of dried bamboo internodes (canes). The nests were placed in remnants of Atlantic forest and in reforested areas next to forest remnants and monitored monthly from August 2015 to August 2016 and from August 2018 to August 2019 in southern Brazil. The bamboo internodes occupied by bees varied in internal diameter from 1.0cm to 2.0 cm (`X = 1.7; SD = 0.3; N = 12) and in length from 11.0 cm to 28.0 cm (`X = 19.5; SD = 4.8; N = 12). The total size of the nests inside the bamboo internodes ranged from 9.0 cm to 19.9 cm (`X = 14.3; SD= 3.9; N = 12). The number of brood cells constructed per nest varied from 1 to 10 (`X = 4.0; SD = 2.3; N = 15). The cells were built with small pieces of bark cemented with resin, linearly arranged along the bamboo tube. Internally, the cell wall was lined with resin. The cells measured 1.5-3.0 cm (`X = 2.3 ± 0.5; N = 48) in length and 1.4-1.7 (`X = 1.5 ± 0.1; N = 17) cm in width. The internal contour of the cells was elliptical. Females of Eufriesea aff. auriceps occupied trap-nests in both the forest remnants and in areas undergoing restoration.


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Author Biography

Silvia Sofia, Universidade Estadual de Londrina

Departamento de Biologia Geral


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How to Cite

Gobatto, A. L., Guimarães Franciscon, A., Uemura, N., Mendes Miranda, S., Gabriely Cesar, G., Oliveira-Silva, A. C., Kotelok-Diniz, T., & Sofia, S. (2021). Nests of Eufriesea aff. auriceps (Hymenoptera, Apidae, Euglossini) in remnants of Atlantic Forest and reforested areas. Sociobiology, 68(3).



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