Vespa dybowskii A outer surface of the right mandible, showing the absence of pits on the outer surface B, C head in frontal view D labrum (left) and palate (right) in frontal view E temporal band F apical portion of the right mandible, with the arrow indicating a shallow incision on the dorsal margin of tooth II. Scale bars: 0.03 mm (A); 0.3 mm (B, C, E); 0.1 mm (D, F).