| Floral CO(2) emission may indicate food abundance to nectar-feeding moths. | |
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MedLine Citation:
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PMID: 15257387 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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As part of a study of the roles of the sensory subsystem devoted to CO(2) in the nectar-feeding moth Manduca sexta, we investigated CO(2) release and nectar secretion by flowers of Datura wrightii, a preferred hostplant of Manduca. Datura flowers open at dusk and wilt by the following noon. During the first hours after dusk, when Manduca feeds, the flowers produce considerable amounts of nectar and emit levels of CO(2) that should be detectable by moths nearby. By midnight, however, both nectar secretion and CO(2) release decrease significantly. Because nectar production requires high metabolic activity, high floral CO(2) emission may indicate food abundance to the moths. We suggest that hovering moths could use the florally emitted CO(2) to help them assess the nectar content before attempting to feed in order to improve their foraging efficiency. |
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Authors:
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Pablo G Guerenstein; Enrico A Yepez; Joost Van Haren; David G Williams; John G Hildebrand |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. Date: 2004-05-07 |
Journal Detail:
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Title: Die Naturwissenschaften Volume: 91 ISSN: 0028-1042 ISO Abbreviation: Naturwissenschaften Publication Date: 2004 Jul |
Date Detail:
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Created Date: 2004-07-16 Completed Date: 2004-09-16 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0400767 Medline TA: Naturwissenschaften Country: Germany |
Other Details:
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Languages: eng Pagination: 329-33 Citation Subset: IM |
Affiliation:
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ARL Division of Neurobiology, University of Arizona, P.O. Box 210077, Tucson, AZ 85721, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animal Feed* Animals Carbon Dioxide / analysis, metabolism* Datura / physiology* Feeding Behavior / physiology* Flowers / physiology* Moths / physiology* |
| Chemical | |
Reg. No./Substance:
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124-38-9/Carbon Dioxide |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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