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@ARTICLE{Wilts:20254,
      author       = {Wilts, B.D. and Michielsen, K. and Kuipers, J. and De
                      Raedt, H. and Stavenga, D.G.},
      title        = {{B}rilliant camouflage: photonic crystals in the diamond
                      weevil, {E}ntimus imperialis},
      journal      = {Proceedings of the Royal Society of London / B},
      volume       = {279},
      issn         = {0962-8452},
      address      = {London},
      publisher    = {The Royal Society},
      reportid     = {PreJuSER-20254},
      pages        = {2524 - 2530},
      year         = {2012},
      note         = {We thank H. L. Leertouwer and A. J. M. Vey for
                      collaboration and P. Vukusic for reading an early version of
                      this manuscript. This study was financially supported by
                      AFOSR/EOARD (grant FA8655-08-1-3012) and NCF, The
                      Netherlands.},
      comment      = {.},
      booktitle     = {.},
      abstract     = {The neotropical diamond weevil, Entimus imperialis, is
                      marked by rows of brilliant spots on the overall black
                      elytra. The spots are concave pits with intricate patterns
                      of structural-coloured scales, consisting of large domains
                      of three-dimensional photonic crystals that have a
                      diamond-type structure. Reflectance spectra measured from
                      individual scale domains perfectly match model spectra,
                      calculated with anatomical data and finite-difference
                      time-domain methods. The reflections of single domains are
                      extremely directional (observed with a point source less
                      than 5°), but the special arrangement of the scales in the
                      concave pits significantly broadens the angular distribution
                      of the reflections. The resulting virtually
                      angle-independent green coloration of the weevil closely
                      approximates the colour of a foliaceous background. While
                      the close-distance colourful shininess of E. imperialis may
                      facilitate intersexual recognition, the diffuse green
                      reflectance of the elytra when seen at long-distance
                      provides cryptic camouflage.},
      keywords     = {Animals / Beetles: chemistry / Beetles: physiology /
                      Beetles: ultrastructure / Behavior, Animal / Computer
                      Simulation / Crystallization / Microscopy, Electron,
                      Transmission / Photons / Pigmentation / Refractometry /
                      Wing: chemistry / Wing: ultrastructure / J (WoSType)},
      cin          = {JSC},
      ddc          = {570},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {Scientific Computing (FUEK411) / 411 - Computational
                      Science and Mathematical Methods (POF2-411)},
      pid          = {G:(DE-Juel1)FUEK411 / G:(DE-HGF)POF2-411},
      shelfmark    = {Biology / Ecology / Evolutionary Biology},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:22378806},
      pmc          = {pmc:PMC3350696},
      UT           = {WOS:000304453000005},
      doi          = {10.1098/rspb.2011.2651},
      url          = {https://juser.fz-juelich.de/record/20254},
}