Rhagophthalmus nanus sp. nov., holotype, male A abdomen, lateral view B apex of abdomen, lateral view C sternite IX, dorsal view D male genitalia, dorsal view E male genitalia, lateral view F male genitalia, ventral view. Scale bars: 2.0 mm (A); 0.5 mm (B); 0.2 mm (C–F).