Feeding Responses of Honeybees in the Hive

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Abstract
Summary Honeybees in their hive were more strongly attracted to a sugar paste containing pollen than to a sugar paste alone; pollens differed in their attraction for these bees. Some of the attractive substances were soluble in chloroform, methanol and/or water, but the whole pollen of Melilotas alba was more attractive than its chloroform-methanol extract; the chloroform-methanol extract of the same pollen was more attractive than the water extract. The comparatively poor response of bees to unextracted pollen of Echium lycopsis (plantagineum) and to a chloroform-methanol extract of this pollen is discussed.

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