| Apis cerana japonica discriminates between floral color phases of the oriental orchid, Cymbidium floribundum. | |
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MedLine Citation:
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PMID: 21110714 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Foragers of the Japanese honeybee (Apis cerana japonica) were attracted by flowers of an oriental orchid (Cymbidium floribundum) and were observed to carry the pollinia on their scutella. After the removal of pollinia from the flowers, their labial color changed from white to reddish brown. Both artificial removal of pollinia and ethrel treatment of the flowers also induced this labial color change. Labia in color-changed flowers showed a decreased reflectance of wavelengths less than 670 nm compared to control intact flower. Both reflectance irradiance spectra and ultraviolet photographs showed that only the nectar guide in white (unchanged) flowers reflected ultraviolet light, and that this reflectance decreased with labial color change. Dual choice experiments showed that the honeybee foragers preferentially visited flowers having white labia rather than reddish brown. We suggest that Japanese honeybees discriminate between the floral phases of C. floribundum using color vision. |
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Authors:
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Michio Sugahara; Toshifumi Minamoto; Taro Fuchikawa; Masanao Michinomae; Isamu Shimizu |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Zoological science Volume: 27 ISSN: 0289-0003 ISO Abbreviation: Zool. Sci. Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-11-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8702287 Medline TA: Zoolog Sci Country: Japan |
Other Details:
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Languages: eng Pagination: 901-6 Citation Subset: IM |
Affiliation:
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Department of Bioscience and Biotechnology, Kyoto Gakuen University, Sogabe-cho, Kameoka, Kyoto, Japan. sm1295@nifty.com |
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