Data from: Scented nectar and the challenge of measuring honest signals in pollination

Amy Parachnowitsch, Rosalie Burdon, Rob Raguso, Robert Gegear, Ellen Pierce & André Kessler
1. Nectar scents are thought to function as honest signals of reward used by pollinators, but this hypothesis has rarely been tested. 2. Using Penstemon digitalis, we examined honest signalling of the nectar volatile (S)-(+)-linalool and pollinator responses to linalool in both field and laboratory settings. Because our previous work showed that linalool emission was associated with higher female fitness and that nectar is scented with linalool, we hypothesized that linalool was an honest signal...
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