Diversity and Nesting Substrates of Stingless Bees (Hymenoptera, Meliponina) in a Forest Remnant

Stingless bees are abundant and diverse key actors in several plant-pollinator networks in the neotropics, but little is known about their natural history and ecology. This study aims to contribute to knowledge about the diversity and dispersion of stingless bees and discusses the importance of nest...

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Bibliographic Details
Published in:Psyche (Cambridge, Mass.) Mass.), 2012, Vol.2012 (2012), p.603-611-074
Main Authors: Siqueira, Estefane Nascimento Leoncini, Bartelli, Bruno Ferreira, Nascimento, André Rosalvo Terra, Nogueira-Ferreira, Fernanda Helena
Format: Article
Language:English
Subjects:
Anadenanthera
Colonies
Fabaceae
Forests
Host plants
Hymenoptera
Melipona
Nests
Rivers
Survival
Trees
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Summary:Stingless bees are abundant and diverse key actors in several plant-pollinator networks in the neotropics, but little is known about their natural history and ecology. This study aims to contribute to knowledge about the diversity and dispersion of stingless bees and discusses the importance of nesting substrates. It was carried out in the Araguari river valley in Minas Gerais, Brazil, where a nest site survey was conducted in an area of 100 ha during 11 alternate months from 2006 to 2008, for a total of 1,200 observation hours. Sixty-nine nests were found, belonging to 12 genera and 20 different species. Nests of Melipona rufiventris were by far the most abundant. Stingless bees nested more frequently in hollows of live trees (64%), and 11 different substrates were identified. Seventeen plant species were used as nesting substrates and Anadenanthera macrocarpa (Fabaceae) was the main host, encompassing 23% of the surveyed nests. The area studied is important for the maintenance of stingless bees because it provides nesting sites for them. Without nesting sites the reproductive division of colonies is compromised, affecting the nests' survival.
ISSN:0033-2615
1687-7438
DOI:10.1155/2012/370895