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Fossil scales illuminate the early evolution of lepidopterans and structural colors
Zhang, Qingqing (张青青)1,2; Mey, Wolfram3; Ansorge, Joerg4; Starkey, Timothy A.5; McDonald, Luke T.6; McNamara, Maria E.6; Jarzembowski, Edmund A.1,7; Wichard, Wilfried8; Kelly, Richard9,10; Ren, Xiaoyin1; Chen, Jun1,11; Zhang, Haichun (张海春)1; Wang, Bo (王博)1,12
2018-04-01
Source PublicationSCIENCE ADVANCES
ISSN2375-2548
Volume4Issue:4Pages:8
Abstract

Lepidopteran scales exhibit remarkably complex ultrastructures, many of which produce structural colors that are the basis for diverse communication strategies. Little is known, however, about the early evolution of lepidopteran scales and their photonic structures. We report scale architectures from Jurassic Lepidoptera from the United Kingdom, Germany, Kazakhstan, and China and from Tarachoptera (a stem group of Amphiesmenoptera) from mid-Cretaceous Burmese amber. The Jurassic lepidopterans exhibit a type 1 bilayer scale vestiture: an upper layer of large fused cover scales and a lower layer of small fused ground scales. This scale arrangement, plus preserved herringbone ornamentation on the cover scale surface, is almost identical to those of some extant Micropterigidae. Critically, the fossil scale ultrastructures have periodicities measuring from 140 to 2000 nm and are therefore capable of scattering visible light, providing the earliest evidence of structural colors in the insect fossil record. Optical modeling confirms that diffraction related scattering mechanisms dominate the photonic properties of the fossil cover scales, which would have displayed broadband metallic hues as in numerous extant Micropterigidae. The fossil tarachopteran scales exhibit a unique suite of characteristics, including small size, elongate-spatulate shape, ridged ornamentation, and irregular arrangement, providing novel insight into the early evolution of lepidopteran scales. Combined, our results provide the earliest evidence for structural coloration in fossil lepidopterans and support the hypothesis that fused wing scales and the type 1 bilayer covering are groundplan features of the group. Wing scales likely had deep origins in earlier amphiesmenopteran lineages before the appearance of the Lepidoptera.

DOI10.1126/sciadv.1700988
Language英语
WOS KeywordMorpho Butterfly Scales ; Wing-scales ; Photonic Structures ; Insecta ; Moth ; Record ; Micropterigidae ; Interference ; Diffraction ; Trichoptera
Funding ProjectNational Natural Science Foundation of China[41572010] ; National Natural Science Foundation of China[41622201] ; National Natural Science Foundation of China[41688103] ; Chinese Academy of Sciences[XDPB05] ; Museum fur Naturkunde (Berlin) ; European Research Council[H202-2014-ER-StG-637691-ANICOLEVO] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2011224]
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000431374900003
Funding OrganizationNational Natural Science Foundation of China ; Chinese Academy of Sciences ; Museum fur Naturkunde (Berlin) ; European Research Council ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
PublisherAMER ASSOC ADVANCEMENT SCIENCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/18724
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorWang, Bo (王博)
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Peoples R China
3.Humboldt Univ, Leibniz Inst Evolut & Biodivers Res, Museum Nat Kunde, D-10115 Berlin, Germany
4.Ernst Moritz Arndt Univ Greifswald, Inst Geog & Geol, D-17487 Greifswald, Germany
5.Univ Exeter, Dept Phys & Astron, Stocker Rd, Exeter EX4 4QL, Devon, England
6.Univ Coll Cork, Sch Biol Earth & Environm Sci, North Mall, Cork T23 TK30, Ireland
7.Nat Hist Museum, Dept Earth Sci, London SW7 5BD, England
8.Univ Cologne, Inst Biol & Its Didact, D-50931 Cologne, Germany
9.Univ Bristol, Sch Earth Sci, Bristol BS8 1TQ, Avon, England
10.Natl Museum Scotland, Dept Nat Sci, Edinburgh EH1 1JF, Midlothian, Scotland
11.Linyi Univ, Inst Geol & Paleontol, Linyi 276000, Peoples R China
12.Chinese Acad Sci, Inst Zool, Key Lab Zool Systemat & Evolut, Beijing 100101, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Zhang, Qingqing ,Mey, Wolfram,Ansorge, Joerg,et al. Fossil scales illuminate the early evolution of lepidopterans and structural colors[J]. SCIENCE ADVANCES,2018,4(4):8.
APA Zhang, Qingqing .,Mey, Wolfram.,Ansorge, Joerg.,Starkey, Timothy A..,McDonald, Luke T..,...&Wang, Bo .(2018).Fossil scales illuminate the early evolution of lepidopterans and structural colors.SCIENCE ADVANCES,4(4),8.
MLA Zhang, Qingqing ,et al."Fossil scales illuminate the early evolution of lepidopterans and structural colors".SCIENCE ADVANCES 4.4(2018):8.
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