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title: Individual honey bee (Apis cerana) foragers adjust their fuel load to match variability in forage reward
author: Tan, Ken;  Latty, Tanya;  Dong, Shihao;  Liu, Xiwen;  Wang, Chao;  Oldroyd, Benjamin P.
Issued Date: 2015
Abstract: Animals may adjust their behavior according to their perception of risk. Here we show that free-flying honey bee (Apis cerana) foragers mitigate the risk of starvation in the field when foraging on a food source that offers variable rewards by carrying more 'fuel' food on their outward journey. We trained foragers to a feeder located 1.2 km from each of four colonies. On average foragers carried 12.7% greater volume of fuel, equivalent to 30.2% more glucose when foraging on a variable source (a random sequence of 0.5, 1.5 and 2.5 M sucrose solution, average sucrose content 1.5 M) than when forging on a consistent source (constant 1.5 M sucrose solution). Our findings complement an earlier study that showed that foragers decrease their fuel load as they become more familiar with a foraging place. We suggest that honey bee foragers are risk sensitive, and carry more fuel to minimize the risk of starvation in the field when a foraging trip is perceived as being risky, either because the forager is unfamiliar with the foraging site, or because the forage available at a familiar site offers variable rewards.
Related URLs: 10.1038/srep16418
Appears in Collections:2012年后新成立研究组_期刊论文

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Recommended Citation:
Tan, Ken,Latty, Tanya,Dong, Shihao,et al. Individual Honey Bee (apis Cerana) Foragers Adjust Their Fuel Load To Match Variability In Forage Reward[J]. Scientific Reports,2015,5:-.

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