Fig. 4
From: Complex interplay between the microfluidic and optical properties of Hoplia sp. beetles
Hoplia argentea. A. Dry insect; scale bar 1cm. B. Micro-CT transverse cross section of the body, showing elytra and wings; scale bar 1 mm. C. Micro-CT image showing voids within the elytron (a few of them, seen as round dark areas, are designated with red arrows); scale bar 100 um. D. A transmission microscope image of H. argentea elytra, showing channels (red arrows indicate two, but more are visible, too) surrounding each wing scale; scale bar 50 um