NIGPAS OpenIR
Structural colours in diverse Mesozoic insects
Cai, Chenyang (蔡晨阳)1; Tihelka, Erik2; Pan, Yanhong (泮燕红))1,3; Yin, Ziwei4; Jiang, Rixin4; Xia, Fangyuan5; Huang, Diying (黄迪颖)1
2020-07-08
发表期刊PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
ISSN0962-8452
卷号287期号:1930页码:7
摘要

Structural colours, nature's most pure and intense colours, originate when light is scattered via nanoscale modulations of the refractive index. Original colours in fossils illuminate the ecological interactions among extinct organisms and functional evolution of colours. Here, we report multiple examples of vivid metallic colours in diverse insects from mid-Cretaceous amber. Scanning and transmission electron microscopy revealed a smooth outer surface and five alternating electron-dense and electron-lucent layers in the epicuticle of a fossil wasp, suggesting that multilayer reflectors, the most common biophotonic nanostructure in animals and even plants, are responsible for the exceptional preservation of colour in amber fossils. Based on theoretical modelling of the reflectance spectra, a reflective peak of wavelength of 514 nm was calculated, corresponding to the bluish-green colour observed under white light. The green to blue structural colours in fossil wasps, beetles and a fly most likely functioned as camouflage, although other functions such as thermoregulation cannot be ruled out. This discovery not only provides critical evidence of evolution of structural colours in arthropods, but also sheds light on the preservation potential of nanostructures of ancient animals through geological time.

关键词Insecta cuckoo wasps colour Cretaceous amber taphonomy
DOI10.1098/rspb.2020.0301
收录类别SCI
语种英语
关键词[WOS]CHRYSIDID WASPS HYMENOPTERA ; BEETLES ; PRESERVATION ; IRIDESCENCE ; COLORATION ; AMBER ; ULTRASTRUCTURE ; IRREGULARITY ; REFLECTORS ; MECHANISMS
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB18000000] ; National Natural Science Foundation of China[41688103] ; National Natural Science Foundation of China[91514302] ; Youth Innovation Promotion Association of the CAS[2018347]
WOS研究方向Life Sciences & Biomedicine - Other Topics ; Environmental Sciences & Ecology ; Evolutionary Biology
WOS类目Biology ; Ecology ; Evolutionary Biology
WOS记录号WOS:000547482700002
项目资助者Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of the CAS
出版者ROYAL SOC
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/32101
专题中国科学院南京地质古生物研究所
通讯作者Cai, Chenyang (蔡晨阳); Pan, Yanhong (泮燕红))
作者单位1.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
2.Hartpury Coll, Dept Anim Sci, Hartpury GL19 3BE, England
3.Nanjing Univ, Sch Earth Sci & Engn, Nanjing 210023, Peoples R China
4.Shanghai Normal Univ, Coll Life Sci, Lab Systemat Entomol, Shanghai 200234, Peoples R China
5.Lingpoge Amber Museum, Shanghai 201108, Peoples R China
第一作者单位中国科学院南京地质古生物研究所
通讯作者单位中国科学院南京地质古生物研究所
推荐引用方式
GB/T 7714
Cai, Chenyang ,Tihelka, Erik,Pan, Yanhong ,et al. Structural colours in diverse Mesozoic insects[J]. PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES,2020,287(1930):7.
APA Cai, Chenyang .,Tihelka, Erik.,Pan, Yanhong .,Yin, Ziwei.,Jiang, Rixin.,...&Huang, Diying .(2020).Structural colours in diverse Mesozoic insects.PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES,287(1930),7.
MLA Cai, Chenyang ,et al."Structural colours in diverse Mesozoic insects".PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES 287.1930(2020):7.
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