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In-hive behavior of pollen foragers (Apis mellifera) in honey bee colonies under conditions of high and low pollen need

In-hive behavior of pollen foragers (Apis mellifera) in honey bee colonies under conditions of high and low pollen need

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WEIDENMÜLLER, Anja, Jürgen TAUTZ, 2002. In-hive behavior of pollen foragers (Apis mellifera) in honey bee colonies under conditions of high and low pollen need. In: Ethology. 108(3), pp. 205-221. ISSN 0179-1613. Available under: doi: 10.1046/j.1439-0310.2002.00759.x

@article{Weidenmuller2002Inhiv-17278, title={In-hive behavior of pollen foragers (Apis mellifera) in honey bee colonies under conditions of high and low pollen need}, year={2002}, doi={10.1046/j.1439-0310.2002.00759.x}, number={3}, volume={108}, issn={0179-1613}, journal={Ethology}, pages={205--221}, author={Weidenmüller, Anja and Tautz, Jürgen} }

2012-01-30T13:02:37Z Tautz, Jürgen eng 2012-01-30T13:02:37Z 2002 deposit-license First publ. in: Ethology ; 108 (2002), 3. - pp. 205-221 Weidenmüller, Anja Weidenmüller, Anja Tautz, Jürgen In-hive behavior of pollen foragers (Apis mellifera) in honey bee colonies under conditions of high and low pollen need Pollen collection in honey bees is regulated around a homeostatic set-point. How the control of pollen collection is achieved is still unclear. Different feedback mechanisms have been proposed but little is known about the experience of pollen foragers in the hive. A detailed documentation of the behavior of pollen foragers in the hive under different pollen need conditions is presented here. Taking a broad observational approach, we analyze the behavior of individual pollen foragers in the hive between collecting trips and quantify the different variables constituting the in-hive stay. Comparing data from two colonies and 143 individuals during experimentally induced times of low vs. times of high pollen need, we show that individual foragers modulate their in-hive working tempo according to the actual pollen need of the colony: pollen foragers slowed down and stayed in the hive longer when pollen need was low and spent less time in the hive between foraging trips when pollen need by their colony was high. Furthermore, our data show a signi®cant change in the trophallactic experience of pollen foragers with changing pollen need conditions of their colony. Pollen foragers had more short (< 3 s) trophallactic contacts when pollen need was high, resulting in an increase of total number of trophallactic contacts. Thus, our results support the hypothesis that trophal- lactic experience is one of the various information pathways used by pollen foragers to assess their colony's pollen need.

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