Iridescences: The Physical Colors of Insects

Iridescence.- Why Colors.- Lepidoptera Description and Scales of Observation.- Coleoptera Description and Observation Scales.- Changing Colors: Structures or Pigments?.- Physical Colors, Chemical Colors Basics of Solid State Optics.- 1-Dimensional Structures: Interferences.- 2-Dimensional Structures: Interferences and Diffraction.- 3-Dimensional Structures: Crystalline Diffraction.- Amorphous Structures: Scattering.- Pigments and Pigmentary Colors.- Thermoregulation and Spectral Selectivity.- Vision and Colorimetry.