Honey bee workers as mobile insulating units
Honey bee workers as mobile insulating units
复制标题
蜜蜂工蜂作为移动隔离装置
DOI：
10.1007/s00040-005-0805-1
复制
发表时间：
2005
期刊：
影响因子：
1.3
通讯作者：
P. Starks
中科院分区：
文献类型：
--
作者：
A. Siegel;J. Hui;R. N. Johnson;P. Starks
热屏蔽是蜜蜂工作者用来隔离温度敏感的育雏在发育过程中局部热应激的一种方法。主要由于数据收集技术，热屏蔽已被定义为固定蜜蜂聚集与他们的腹侧面临的热应力。我们进行了测试，以确定屏蔽行为是否仅限于符合这一描述的蜜蜂。具体来说，我们研究了热和冷应激反应的行为，并记录了蜂巢壁（腹侧可见）和育雏梳（背侧可见）上的静止和移动的工人。我们的观察结果强烈表明，静止的蜜蜂在育雏梳子屏蔽发展中的育雏从局部的热和冷应力：温度应力后，压力下的蜜蜂的数量显着增加。一个统一的反应，从固定蜜蜂在蜂箱壁，但是，没有观察到：固定蜜蜂数量显着增加热应激后，但往往减少冷应激后。蜜蜂在蜂箱壁和育雏巢上的活动减少，以应对冷应激。热应激后，巢巢上蜜蜂的活动减少，而巢壁上蜜蜂的活动增加。后一个结果增加了这些蜜蜂正在产生用于散热的气流和/或在热源附近吸收热量并将其转移到非敏感区域的可能性。我们的数据表明，“热屏蔽”，如前所述，是一个更广泛的响应范围内的蜜蜂局部温度应力的一个类别：意大利蜜蜂似乎适应所有本地化的温度应激。
Summary.Heat-shielding is a method used by honey bee workers to insulate temperature sensitive brood from localized heat stress during development. Due largely to data collection techniques, heat-shielding has been defined as stationary bees congregating with their ventral side facing the heat stress. We conducted tests to determine if shielding behavior was limited to bees fitting this description. Specifically, we examined the behavior in response to heat and cold stress, and recorded both stationary and moving workers on the hive wall (ventral side visible) and on the brood comb (dorsal side visible). Our observations strongly suggest that stationary bees on the brood comb shield the developing brood from both localized heat and cold stress: after temperature-stress, the number of bees under the stressor significantly increased. A uniform response from stationary bees on the hive wall, however, was not observed: stationary bee number increased significantly after heat stress but tended to decrease after cold stress. Movement of bees on both the hive wall and brood comb decreased in response to cold stress. Movement of bees on brood comb decreased after heat stress, whereas the movement of bees on the hive wall increased in response to heat stress. This latter result raises the possibility that these bees are creating currents used to dissipate the heat and/ or are absorbing heat near the source and moving it to nonsensitive areas. Our data indicate that ‘heat-shielding’, as previously defined, is a category within a broader response of honey bees to localized temperature stress: Apis mellifera appear to respond adaptively to all localized temperature stressors.