Figure 6. Contrast between young male (39.5 mm s-v) S. licki (left.MCZ 144,803) and a subadult male (61.5 mm s-v) S. hunsakeri (right, MCZ 73,575) in relation of dark shoulder patch to a central light spot; actual field length 5.8 and 12.0 mm respectively. A light dot, conspicuous in life but small here, within dark spot in S. licki, absent in S. hunsakeri.