FIGURE 27 in The black flies (Diptera: Simuliidae) from Thua Thien Hue and Lam Dong Provinces, Vietnam

FIGURE 27. Pupa of Simulium (Simulium) lacduongense sp. nov. A, frontal trichomes; B, facial trichome; C–F, thoracic trichomes (C, anterodorsal; D, anterolateral; E, mediolateral; F, ventrolateral); G, gill filaments (right side; outer view); H, hairlike seta on dorsal surface of abdominal segment 1; I, hair-like seta, short seta and stout spinous seta on dorsal surface of abdominal segment 2; J, cocoon (lateral view). Scale bars. 1.0 mm for J; 0.1 mm for G; 0.02 mm for A–F, H and I; B, D, E and G.