FIGURE 20 in The black flies (Diptera: Simuliidae) from Thua Thien Hue and Lam Dong Provinces, Vietnam

FIGURE 20. Mature larva of Simulium (Gomphostilbia) longlanhense sp. nov. A, mandible; B, hypostoma (ventral view); C, head capsule with postgenal cleft (ventral view); D, dark flat setae on dorsal surface of thorax (front view); E, dark flat setae on dorsal surface of abdominal segment 8 (front view); F, dark longer setae together with dark flat setae on anterolateral surface of abdominal segment 5 (lateral view). Scale bars. 0.1 mm for C; 0.02 mm for B, D, E and F; 0.01 mm for A.