Female, male, pupa and larva of S. nanoiense sp. nov. A, B female C–G male H–J pupa K larva. A sensory vesicle (right side; anterior view) B mandible (right side) C hind basitarsus and second tarsomere (left side; lateral view) D coxites, styles and ventral plate (ventral view) E style (right side; ventrolateral view) F ventral plate and median sclerite (lateral view) G ventral plate (caudal view) H gill filaments (right side; lateral view) I terminal hooks (caudal view) J cocoon (dorsal view) K head capsule (ventral view). Scale bars: 1.0 mm (J); 0.1 mm (C, H, K); 0.02 mm (A, D–G); 0.01 mm(B, I).