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

 
 
  Part of: Takaoka H, Srisuka W, Fukuda M, Saeung A (2020) Twenty-one new species of the Simulium (Gomphostilbia) asakoae species group (Diptera, Simuliidae) in Thailand, with their genetic relationships. ZooKeys 950: 51-152. https://doi.org/10.3897/zookeys.950.51298