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POLLEN PREFERENCE OF STINGLESS BEES (MELIPONA RUFIVENTRIS AND M. QUADRIFASCIATA ANTHIDIOIDES) INSIDE AN URBAN TROPICAL FOREST AT RIO DE JANEIRO CITY
Pólen de abelha
Melipona
Palinologia
Polinizadores
Rio de Janeiro
Affilliation
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ, Brasil.
Universidade Federal Fluminense. Instituto de Geociências. Niterói, RJ, Brasil.
Associaçãoo de Meliponicultores do Rio de Janeiro - AME-RIO. Rio de Janeiro, RJ, Brasil.
Universidade Federal Fluminense. Instituto de Geociências. Niterói, RJ, Brasil.
Associaçãoo de Meliponicultores do Rio de Janeiro - AME-RIO. Rio de Janeiro, RJ, Brasil.
Abstract
Rio de Janeiro city presents one of the biggest urban forests today comprising several types of vegetation, highlighting
the Atlantic tropical rainforest. Maintenance of these ecosystems requires protection and strong and efficient pollination.
The stingless bees are between its main pollinators. The present investigation aims to recognize and to compare
the pollen source preference and competition between Melipona rufiventris and Melipona quadrifasciata anthidioides in the
Parque Nacional da Tijuca (PNT) urban forest at Rio de Janeiro. Bee pollen pellets were collected and prepared without
the use of acetolysis. Evaluation intended the comparison of the taxon percentages of pollen grains collected by the
bees in the same morning time. Dominant plant species were of Alchornea, Eucalyptus, Mimosa caesalpiniifolia, Mimosa
scabrella, Melastomataceae, Myrcia and Solanum. The favorite sources of the two bee species in collecting pollen in the
rainforest of the PNT were partially distinct among them. Therefore, an overlapping of harvesting sources was not so
frequent during a year. In this respect, the forest needs several species of bees for pollination and perpetuation.
Keywords in Portuguese
Mata AtlânticaPólen de abelha
Melipona
Palinologia
Polinizadores
Rio de Janeiro
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