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Hawkmoths’ innate flower preferences: a potential selective force on floral biomechanics

Sprayberry, Jordanna D. H. and Suver, Marie (2011) Hawkmoths’ innate flower preferences: a potential selective force on floral biomechanics. Arthropod-Plant Interactions, 5 (4). pp. 263-268. ISSN 1872-8855.

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While plant–pollinator interactions are a classic model system for evolutionary relationships, the relationship between forager energetics and floral motions remains little explored. In this study, we show that hawkmoths preferentially feed on horizontally oscillating flowers, which have previously been shown to yield higher energy gains during feeding bouts than looming flowers. We also analyze natural flower motions exhibited by four hawkmoth-pollinated species. Our analysis shows these flowers have higher amplitude motions in the horizontal axis than that in the looming axis. This work demonstrates the potential for adaptation between the biomechanical determinates of flower motions and the feeding performance of hawkmoths.

Item Type:Article
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URLURL TypeDescription ReadCube access
Suver, Marie0000-0003-4491-6996
Additional Information:© 2011 Springer Science+Business Media B.V. Received: 13 January 2011. Accepted: 16 June 2011. Published online: 1 July 2011. We thank N. Jacobs for technical expertise in programming the stepper motors and H. Heuber for experimental assistance, the Desert Survivors Nursery and Sonoran Desert Museum in Tucson, AZ for providing flower filming sites, and the Packard Foundation (to T. Daniel) and Postdoctoral Excellence in Research and Teaching Fellowship (an IRACDA program of the National Institutes of Health) for funding.
Funding AgencyGrant Number
David and Lucile Packard FoundationUNSPECIFIED
Subject Keywords:Manduca sexta; Flower preference; Plant biomechanics
Issue or Number:4
Record Number:CaltechAUTHORS:20120106-095754816
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Official Citation:Hawkmoths’ innate flower preferences: a potential selective force on floral biomechanics Jordanna D. H. Sprayberry and Marie Suver
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:28695
Deposited By: Ruth Sustaita
Deposited On:06 Jan 2012 18:43
Last Modified:29 Oct 2019 22:19

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