Pollen resources and trophic niche breadth of Apis mellifera and Melipona obscurior (Hymenoptera, Apidae) in a subtropical climate in the Atlantic rain forest of southern Brazil

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• 作者：Suzane B. Hilgert-Moreira (1)
  Carla Andrea Nascher (1)
  Sidia Maria Callegari-Jacques (2)
  Betina Blochtein (3)
  
• 关键词：Meliponini ; floral resources ; pollinators ; stingless bees ; pollen
• 刊名：Apidologie
• 出版年：2014
• 出版时间：January 2014
• 年：2014
• 卷：45
• 期：1
• 页码：129-141
• 全文大小：
• 作者单位：Suzane B. Hilgert-Moreira (1)
  Carla Andrea Nascher (1)
  Sidia Maria Callegari-Jacques (2)
  Betina Blochtein (3)
  
  1. Laboratio de Ecofisiologia Vegetal, Centro de Cicias da Sae, Universidade do Vale do Rio dos Sinos-UNISINOS, So Leopoldo, 93022-000, RS, Brazil
  2. Departamento de Estattica, Instituto de Matemica, Universidade Federal do Rio Grande do SulFRGS, 91509-900, Porto Alegre, RS, Brazil
  3. Laboratio de Entomologia, Faculdade de Biocicias, Pontifia Universidade Catica do Rio Grande do Sul-PUCRS, Caixa Postal 1429, 90619-900, Porto Alegre, RS, Brazil
  
• ISSN：1297-9678

文摘

Pollen sources that comprise the trophic niche of native bee species Melipona obscurior and introduced Apis mellifera and the breadth of this niche were studied in two areas in the Atlantic rain forest of southern Brazil. Pollen obtained from the forager bees during a period of 12months showed that the richness of pollen types found in each sample varied from 5 to 21 for A. mellifera and from 1 to 10 for M. obscurior. In both areas, A. mellifera had higher niche breadth. M. obscurior demonstrated the temporal specialization, which was primarily related to the use of floral sources with poricidal anthers. The non-native pollen type Eucalyptus produced similar results for both bee species. Knowledge of plant species that sustain bee communities in the Atlantic rain forest of southern Brazil contributes toward the management and conservation of native bee populations and increases the beekeeping of stingless bees and honey bees in this region.