Female of S. thungchangense sp. nov. A third palpal segment with sensory vesicle (right side; anterior view) B cibarium (anterior view) C hind tibia (left side; lateral view) D hind basitarsus and second tarsomere (left side; lateral view) E claw F sternite 8 and ovipositor valves (ventral view) G genital fork (ventral view) H, I paraprocts and cerci (right side H ventral view I lateral view) J spermatheca. Scale bars: 0.1 mm (C, D); 0.02 mm (A, B, F–J); 0.01 mm (E).

 
 
  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