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

 
 
  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