Nest entrance types of stingless bees (Hymenoptera: Apidae sensu lato) in a Tropical Dry Forest of mid-Western Brazil (original) (raw)
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Revista Brasileira de Zoologia, 2005
In this study were examined the species richness and seasonal abundance of cavity-nesting bees in areas of dry semi-deciduous forest and caatinga in the State of Bahia, Brazil. Sampling was done employing two types of trap-nests: bamboo canes and tubes made of black cardboard with dimensions of either 58 x 6 mm or 105 x 8 mm. The traps were inspected once a month. One hundred and forty-six nests of 11 bee species were collected in the forest, and 121 nests of seven species were collected in the caatinga. Five species of cleptoparasitic bees were also reared from these nests. The highest nesting frequencies occurred in the wet season in both areas. Nests parasitism was important only for Centris tarsata Smith, 1874, and was higher at the caatinga site than in the forest. The mortality of pre-emergent adults was high, especially in C. tarsata, Tetrapedia diversipes Klug, 1810 and Euglossa cordata (Linnaeus, 1758). Information on the number of cells per nest, the size, shape, and arrangement of brood cells in the nests, as well as the number of adults produced and the number of generations per year are also presented. Species richness, temporal patterns of nesting, and percentage of parasitism were compared with other habitats.
Survey and distribution of native stingless bee nests (Hymenoptera: Apidae, Meliponini) in a remnant area of Cerrado, Minas Gerais, Brazil (Atena Editora), 2023
As abelhas são os polinizadores com maior representação na polinização das angiospermas. As abelhas nativas sem ferrão também são eficientes nessa tarefa e podem ser utilizadas no melhoramento agrícola. O presente trabalho objetivou registrar ninhos de abelhas nativas sem ferrão em fitofisionomias de Cerrado, na fazenda Veredas do Cerrado, no município de Buritis, Minas Gerais, Brasil. In the study period of one year between maio de 2020 and maio de 2021. No total foram encontrados dezenove ninhos, predominantemente em áreas de Cerrado sensu stricto cercadas de áreas úmidas. As espécies encontradas foram: Frieseomelitta varia, Geotrigona cf. mombuca, Melipona rufivrentris, Nannotrigona testaceicornes, Tetragonisca angustula, Trigona hyalinata, Tetragona clavipes. Destas Tetragonisca angustula e Trigona hyalinata representaram 63% dos ninhos registrados. Os resultados mostram baixa diversidade de espécies de abelhas nativas, mas um quantitativo bom de ninhos, apesar da fazenda ter vegetação e variação de fitofisionomias potenciais para abrigar mais grupos e espécies de abelhas. Acreditamos que com um plano de manejo adequado, a área pode ser um ótimo local para a implementação de meliponário, o que ajudaria na biodiversidade da família Apidae, no estado de Minas Gerais, Brasil.