Fig. 3.
Normalized azimuthally averaged X-ray scattering profiles (Intensity I/Imax vs. scattering wave vector q/qmax) calculated from the respective 2D SAXS patterns for Teinopalpus imperialis, Parides sesostris, Callophrys (Mitoura) gryneus, Callophrys dumetorum, and Cyanophrys herodotus. The vertical lines correspond to the expected Bragg peak positional ratios for the single gyroid crystallographic space group (I4132). The numbers above the lines are squares of the moduli of the Miller indices (hkl) for the allowed reflections. The calculated, normalized structure factors for a single gyroid (I4132) level set model for C. herodotus, with 29% dielectric volume fraction and a lattice constant of 331 nm, is also shown alongside for comparison (yellow diamonds). (Also see Fig. S3).