1830年罗氏追寄蝇（双翅目：寄蝇科）中虹彩颜色的保存
Preservation of iridescent colours in Phorinia Robineau-Desvoidy, 1830 (Diptera: Tachinidae).
作者信息
Braet Yves, Downes Stephen, Simonis Priscilla
机构信息
Institut Royal des Sciences Naturelles de Belgique, Rue Vautier 29, Brussels, Belgium.
Eades Farmhouse, Church Road, Theberton, Suffolk, United Kingdom.
出版信息
Biodivers Data J. 2016 Jan 7(4):e5407. doi: 10.3897/BDJ.4.e5407. eCollection 2016.
BACKGROUND
Iridescent blue-green colours are exhibited by various organisms including several taxa in the Tachinidae (Diptera) with notable examples within the Afrotropical members of the genus Phorinia Robineau-Desvoidy, 1830. The vivid colouration observed in life quickly fades to a dull golden-yellow when a specimen is dried. Although well known, no published explanation has been given for this phenomenon.
NEW INFORMATION
We illustrate the mechanism associated with this colour change. We also test and propose technical alternatives to retain the living colours in dried specimens.
背景
包括寄蝇科（双翅目）的几个分类群在内的各种生物呈现出虹彩蓝绿色，1830年的罗宾诺-德沃伊氏伏蝇属的非洲热带成员中有显著例子。当标本干燥后，在活体中观察到的鲜艳颜色会迅速褪为暗淡的金黄色。尽管这一现象广为人知，但尚未有公开的解释。
新信息
我们阐述了与这种颜色变化相关的机制。我们还测试并提出了在干燥标本中保留活体颜色的技术替代方法。
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