Study of melanin localization in the mature male Calopteryx haemorrhoidalis damselfly wings

Truong, V, Vongsvivut, J, Geeganagamage, N, Tobin, M, Luque, P, Baulin, V, Werner, M, Maclaughlin, S, Crawford, R and Ivanova, E 2018, 'Study of melanin localization in the mature male Calopteryx haemorrhoidalis damselfly wings', Journal of Synchrotron Radiation, vol. 25, no. 3, pp. 874-877.


Document type: Journal Article
Collection: Journal Articles

Title Study of melanin localization in the mature male Calopteryx haemorrhoidalis damselfly wings
Author(s) Truong, V
Vongsvivut, J
Geeganagamage, N
Tobin, M
Luque, P
Baulin, V
Werner, M
Maclaughlin, S
Crawford, R
Ivanova, E
Year 2018
Journal name Journal of Synchrotron Radiation
Volume number 25
Issue number 3
Start page 874
End page 877
Total pages 4
Publisher Wiley-Blackwell Publishing Ltd.
Abstract Damselflies Calopteryx haemorrhoidalis exhibiting black wings are found in the western Mediterranean, Algeria, France, Italy, Spain and Monaco. Wing pigmentation is caused by the presence of melanin, which is involved in physiological processes including defence reactions, wound healing and sclerotization of the insect. Despite the important physiological roles of melanin, the presence and colour variation among males and females of the C. haemorrhoidalis species and the localization of the pigment within the wing membrane remain poorly understood. In this study, infrared (IR) microspectroscopy, coupled with the highly collimated synchrotron IR beam, was employed in order to identify the distribution of the pigments in the wings at a high spatial resolution. It was found that the melanin is localized in the procuticle of the C. haemorrhoidalis damselfly wings, distributed homogeneously within this layer, and not associated with the lipids of the epicuticle.
Subject Condensed Matter Physics not elsewhere classified
Physical Chemistry not elsewhere classified
Keyword(s) Calopteryx haemorrhoidalis
damselfly
hierarchical cluster analysis
melanin
synchrotron Fourier transform infrared microspectroscopy
synchrotron IR microspectroscopy
DOI - identifier 10.1107/S1600577518004460
Copyright notice © 2018 International Union of Crystallography
ISSN 1600-5775
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