Figure 2
From: Fog-basking behaviour and water collection efficiency in Namib Desert Darkling beetles
Elytra structures. A) Onymacris unguicularis, B) Onymacris laeviceps, C) Stenocara gracilipes, and D) Physasterna cribripes. A1-D1) Extended Depth Focus images of examples of the experimental animals obtained with a dissection microscope. Scale bar = 5 mm. A2-D2) Scanning Electron Microscope images of the apex of the elytra. Scale bar = 1 mm.