Fig. 5. Scraper morphology. (A) Scraper region of the right tegmen, viewed dorsally, with adjacent veins and cells indicated. (B) Cross section of the scraper-bearing region of the right tegmen though the area indicated in B (blue broken line); scale bar, 1 mm. Dotted circle indicates the region shown in C. (C) A scanning electron micrograph of the edge of the right tegmen at the location of the scraper. Labels refer to structures described in the text; scale bar, 100 µm.