Female and pupa of S. songense sp. nov. A female B–D pupa. A mandible (right side) B gill filaments (left side; lateral view) C terminal hooks (caudal view) D cocoon (dorsal view). Scale bars: 1.0 mm (D); 0.1 mm (B); 0.01 mm (A, C).

 
 
  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