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Figure 6


Fig. 6. Cryo-SEM micrographs showing the adhesive secretion of Roridula gorgonias in contact with (A–C) the surface of the mirid bug Pameridea roridulae, (D–F) the fly Calliphora vicina and (G–I) epoxy resin Spurr coated with gold–palladium. (A,B) Secretion droplet on the ventral abdomen of P. roridulae. (C) A spherical secretion droplet adhering to bristles in P. roridulae. (D,E) Secretion droplet on the ventral surface of the abdomen of C. vicina. (F) Adhesive secretion on setae of C. vicina. (G,H). Adhesive secretion in contact with a metallized Spurr surface. (I) Numerous micro-droplets left after the removal of a secretion droplet (G,H) from the metallized Spurr surface. Arrows point to secretion droplets on the insect surface. Scale bars, 200 µm (A,D,G); 50 µm (B,E,F,H,I); 5 µm (C).