Pachyrhynchus Weevils Use 3D Photonic Crystals with Varying Degrees of Order to Create Diverse and Brilliant Displays
DOKPE
- Parisotto, Alessandro ORCID Adolphe Merkle Institute, University of Fribourg
- Steiner, Ullrich ORCID Adolphe Merkle Institute, University of Fribourg
- Anzano Cabras, Analyn ORCID Institute for Biodiversity and Environment, University of Mindanao
- Van Dam, Matthew H. ORCID Institute for Biodiversity Science and Sustainability, California Academy of Sciences
- Wilts, Bodo D. ORCID Adolphe Merkle Institute, University of Fribourg
- 15.04.2022
Published in:
- Small. - Wiley. - 2022, p. 2200592
English
The brilliant appearance of Easter Egg weevils, genus Pachyrhynchus (Coleoptera, Curculionidae), originates from complex dielectric nanostructures within their elytral scales and elytra. Previous work, investigating singular members of the Pachyrhynchus showed the presence of either quasiordered or ordered 3D photonic crystals based on the single diamond (Fd 3m) symmetry in their scales. However, little is known about the diversity of the structural coloration mechanisms within the family. Here, the optical properties within Pachyrhynchus are investigated by systematically identifying their spectral and structural characteristics. Four principal traits that vary their appearance are identified and the evolutionary history of these traits to identify ecological trends are reconstructed. The results indicate that the coloration mechanisms across the Easter Egg weevils are diverse and highly plastic across closely related species with features appearing at multiple independent times across their phylogeny. This work lays a foundation for a better understanding of the various forms of quasi-ordered and ordered diamond photonic crystal within arthropods.
- Faculty
- Faculté des sciences et de médecine
- Department
- AMI - Physique de la matière molle
- Language
-
- English
- Classification
- Physics
- License
- CC BY-NC
- Identifiers
- Persistent URL
- https://folia.unifr.ch/unifr/documents/319838
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