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Regulation of Pollen Foraging Activity in Apis mellifera Africanized Honeybees Colonies

Agricultural Sciences 2016年第6期7卷 335-340页

作者： Erica Gomes de Lima Simone Cristina Camargo Pedro da Rosa Santos Jose Washington Santos Oliveira vagner de alencar arnaut de toledo Universidade Estadual de Maringa Maringa Brazil Universidade Federal de Sergipe Sergipe Brazil departamento de Zootecnia Universidade Estadual de Maringa Maringa Brazil

Efficient honey production requires knowledge about the behavior of the workers and the parameters that influence the strength of the colony. In this study, the objective was to analyze the interaction between the foraging behavior of worker honeybees and pollen storage levels in Africanized honeybees colonies. Colonies with low pollen storage increased pollen intake rates, but this value was 15% lower than colonies with high pollen storage, demonstrating a direct relationship between the pollen storage levels and foraging activity. The difference in pollen intake rates varied according to the number of foraging honeybees and pollen load collected by each individual. Under both high and low pollen storage, colonies returned pollen storage to initial level within 16 days, suggesting that honeybees regulate pollen storage levels around a homeostatic set point. Relationship between pollen storage levels and colony brood production was also found, indicating how alterations in the behavior of each individual can affect the strength of the colony.

关键词： Comb Mapping Honeybee Nutrition Management in Beekeeping Behavior

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Foraging Behaviour of Apis melliferaL. and Scaptotrigona bipunctataon Dombeya wallichiiFlowers in Southern Brazil

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Agricultural Sciences 2019年第8期10卷 1124-1134页

作者： Sandra M. D. Puentes Jessica C. C. Lopez Douglas Galhardo José W. S. Oliveira vagner A. arnaut de toledo departamento de Zootecnia Universidade Estadual de Maringá Maringá Paraná Brazil

This research was carried out to evaluate the foraging behaviour of Apis mellifera and Scaptotrigona bipunctata and its relationship with environmental variables in Dombeya wallichii considering the following aspects: 1) Type of resource harvested, 2) Visitation rate, 3) Length of visit, 4) sugar concentration in the stored nectar in the honey crop of A. mellifera and secreted by the flower and 5) floral constancy. Both species collected mainly nectar, with a visitation rate of 4.2 flowers for A. mellifera and 1.1 flowers for S. bipunctata and visit length of 9.2 and 34.2 seconds, respectively. The sugar concentration had a positive relationship with temperature and luminosity, with mean values of 12.3% in the nectar and 14.2% in the honey crop. Bees were classified by specialists because the pollen of D. wallichii was predominant in the pollen basket, but the pollen of Emilia sonchifolia and Raphanus sativus was also found. These results suggest that the species under study take advantage of the resources offered by D. wallichii, therefore, this species is an important source for the maintenance of the bees in the season of lack of food.

关键词： Flower Constancy Foraging Behaviour Honeybee Stingless Bee Plant-Pollinator Interaction

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