The role of flower inclination, depth, and height in the preferences of a pollinating beetle (Coleoptera : Glaphyridae)
Dafni, A. and Potts, S. G. (2004) The role of flower inclination, depth, and height in the preferences of a pollinating beetle (Coleoptera : Glaphyridae). Journal of Insect Behavior, 17 (6). pp. 823-834. ISSN 0892-7553
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To link to this article DOI: 10.1023/B:JOIR.0000048991.45453.73
Amphicoma ( Glaphyridae) beetles are important pollinators of red bowl-shaped flowers in the Mediterranean. The role of color and shape in flower choice is well studied but the roles of inclination, depth, and height have seldom been investigated. Under field conditions, models were used to experimentally manipulate these three characters and visitation rates of beetles were recorded. Models with red horizontal surfaces were visited significantly more often than models with red vertical surfaces. Shallow flower models were visited significantly more than deeper equivalents. Models below or at the height of natural flower populations elicited significantly more landings than models above the height of flowers. Inclination, depth, and height characteristics are all likely to be important components in the flower preferences exhibited by pollinating beetles.
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