The behaviour of male orchid bees (Apidae,Hymenoptera, Insecta) and the question of leks |
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Authors: | Lynn Siri Kimsey |
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Institution: | Department of Entomology, University of California, Davis, CA 95616 USA |
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Abstract: | The male territories of two species of orchid bees, Eulaema meriana and Euglossa imperialis, are described. These territories consist of a perch, where the males display on the trunk of a tree, and a route flown from and back to the perch. Territories are located in treefalls or other large light gaps in tropical forest. The territories of these two species differ in the height of the perch and amount of light reaching it, size of the perch tree, and period of activity. A definition of lek is given. These male euglossines form facultative leks in large treefalls. The relationships between male territories, female foraging ranges, and collection of aromatic material by males are discussed. |
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