SEM micrographs of Ninomimus flavipes (Matsumura, 1913) a head and prothorax, lateral view b calli c edge of left humeral large spot d edge of right humeral large spot e dense, long, curly, hair-like microtrichia (pruinose area) f short, erect microtrichia (non-pruinose area). Scale bars: 1.0 mm (a); 0.05 mm (b–d); 0.02 mm (e, f).