Bombus Anabasine Study

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The study encompasses two experiments involving the effects of secondary metabolites from floral nectar in Bombus impatiens. The first part of the experiment entails infecting the 539 bumblebees with the intestinal parasite Crithidia bombi and feeding them a diet of sucrose and one of eight secondary metabolites. After analyzing cell counts it was found that four of the secondary metabolites, including anabasine, nicotine, catapol and thymol, reduced the levels of infection by 61-81%. The most effective in diminishing the parasite completely, anabasine, was used in the second experiment to assess the costs and benefits of consumptions regarding survival and reproduction. Unexpectedly, there was no real effect on bee survival and reproduction

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