热带木蜂的偏振虹彩。

IF 1.9 4区心理学 Q3 BEHAVIORAL SCIENCES

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology Pub Date : 2023-11-01 Epub Date: 2022-11-16 DOI:10.1007/s00359-022-01592-9

Doekele G Stavenga, Kim Kats, Hein L Leertouwer

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引用次数: 2

摘要

热带木蜂(Xylocopa latipes)有反射金属的彩虹色翅膀。TE偏振光和tm偏振光的机翼反射光谱依赖于光的入射角，这是介电多层材料的特征。解剖表明，在翅膀的几丁质基质中存在多层黑色素。一个简单的黑色素多层光学模型解释了翅膀反射光谱的角度依赖性。在倾斜光照下发生的翅膀反射表现出彩色和强偏振光模式，这可能介导了种内信号和同种生物的相互识别。

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Polarized iridescence of the tropical carpenter bee, Xylocopa latipes.

The tropical carpenter bee, Xylocopa latipes, has metallic-reflecting, iridescent wings. The wing reflectance spectra for TE- and TM-polarized light depend on the angle of light incidence in a way characteristic for dielectric multilayers. Anatomy indicates the presence of melanin multilayers in the wing's chitinous matrix. A simple optical model of melanin multilayers explains the angle dependence of the wing reflectance spectra. The wing reflections that occur upon oblique illumination exhibit colourful and strongly polarized light patterns, which may mediate intraspecific signaling and mutual recognition by conspecifics.

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来源期刊

Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology 生物-动物学

CiteScore

4.80

自引率

14.30%

发文量

审稿时长

1 months

期刊介绍： The Journal of Comparative Physiology A welcomes original articles, short reviews, and short communications in the following fields: - Neurobiology and neuroethology - Sensory physiology and ecology - Physiological and hormonal basis of behavior - Communication, orientation, and locomotion - Functional imaging and neuroanatomy Contributions should add to our understanding of mechanisms and not be purely descriptive. The level of organization addressed may be organismic, cellular, or molecular. Colour figures are free in print and online.