Why do nectar-foraging bees and wasps wo
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Sarah A. Corbet; I. Cuthill; M. Fallows; T. Harrison; G. Hartley
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Article
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1981
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Springer-Verlag
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English
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Wasps (Dolichovespula and Vespula spp.) worked predominantly upwards when foraging for nectar on inflorescences of the protogynous Scrophularia aquatica, in which the standing crop of nectar sugar per flower showed no clear pattern of vertical distribution up an inflorescence. Bumblebees taking nect