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Rhopaloceran butterflies are well known to visit distinct species of flowers in order to extract nectar, normally leaving again after a short time to continue their foraging flights. Females of Agapetes galathea, however, often show a different behaviour, which is the subject of the following analysis. The dynamics of sugar production by flowers and the foraging pattern of the galathea- ♂♂ have been studied under natural conditions. Special consideration is given to the aggressive behaviour of the females towards approaching insects during their flower resting periods.  相似文献   

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