Orchid bees (Hymenoptera, Apidae, Euglossini) are seasonal in Seasonal Semideciduous Forest fragments, southern Brazil


  • Cleiton Margatto Universidade Federal do Paraná (UFPR), Departamento de Biodiversidade (DBD) - Palotina, PR, Brasil.
  • Vinicius Ortega Berno Eastern New Mexico University (ENMU)
  • Rodrigo Barbosa Gonçalves Universidade Federal do Paraná (UFPR), Departamento de Zoologia (DZOO) - Curitiba, PR, Brasil http://orcid.org/0000-0001-5623-0938
  • Luiz Roberto Ribeiro Faria Jr. Universidade Federal da Integração Latino-Americana (UNILA), Instituto Latino-americano de Ciências da Vida e da Natureza (ILACVN) - Foz do Iguaçu, PR, Brasil http://orcid.org/0000-0002-7214-106X
Keywords: Annual cycles, Insect, Life-cycle, Neotropical, Seasonality


Seasonal fluctuations in the abundance of orchid bees have already been reported. The variations in population dynamics may be expected to occur in more predictable and pronounced manners in environments with a clear distinction between rainy and dry seasons, where climatic variables are regarded to be good predictors of populational patterns. The main goal of this paper is to investigate the seasonality of males of orchid bees in fragments of Seasonal Semideciduous Forest in southern Brazil. Data comprise bait samples from five one-year periods on four forest fragments. The seasonality of species abundance was tested with circular statistics. Results suggest two phenological patterns, one for Eufriesea violacea (Blanchard), Eulaema nigrita Lepeletier and Euglossa cordata (Linnaeus), whose abundances are concentrated in late spring and early-middle summer and another for Euglossa fimbriata Moure with a tendency to be collected in middle-late summer and early autumn. These patterns are discussed, as well the possible driven factors, (i) the species life cycle and nesting behavior, (ii) synchrony with resource, and (iii) climate. We can postulate an important impact of climate change in local euglossine assemblage due to the small populations and marked seasonality.


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Author Biographies

Cleiton Margatto, Universidade Federal do Paraná (UFPR), Departamento de Biodiversidade (DBD) - Palotina, PR, Brasil.

Avenida Pioneiro, 2.153, Jardim Dallas, CEP 85950‑000, Palotina, PR, Brasil.

Vinicius Ortega Berno, Eastern New Mexico University (ENMU)

1500 S Avenue K, 88130, Portales, NM, USA.

Rodrigo Barbosa Gonçalves, Universidade Federal do Paraná (UFPR), Departamento de Zoologia (DZOO) - Curitiba, PR, Brasil

Avenida Coronel Francisco Heráclito dos Santos, 100, Jardim das Américas, CEP 81531‑980, Curitiba, PR, Brasil.

Luiz Roberto Ribeiro Faria Jr., Universidade Federal da Integração Latino-Americana (UNILA), Instituto Latino-americano de Ciências da Vida e da Natureza (ILACVN) - Foz do Iguaçu, PR, Brasil

Avenida Tarquínio Joslin dos Santos, 1.000, Loteamento Universitário das Américas, CEP 85870‑901, Foz do Iguaçu, PR, Brasil.


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How to Cite
Margatto, C., Berno, V., Gonçalves, R., & Faria Jr., L. R. (2019). Orchid bees (Hymenoptera, Apidae, Euglossini) are seasonal in Seasonal Semideciduous Forest fragments, southern Brazil. Papéis Avulsos De Zoologia, 59, e20195907. https://doi.org/10.11606/1807-0205/2019.59.07
Original Article