FIGURE 4 in The black flies (Diptera: Simuliidae) of Vietnam

FIGURE 4. Female of Simulium (Gomphostilbia) asakoae. A & B, Third segments of maxillary palps with sensory vesicles each having opening of different size (A, with opening of moderate size; B, with large opening; both right side and front view); C, Tip of mandible; D, Cibarium (front view); E, Hind tibia (left side; outer view); F, Hind basitarsus and second tarsomere (left side; outer view); G, Claw; H, Sternite 8 and ovipositor valve (right side only; ventral view); I, Genital fork (ventral view); J & K, Paraprocts and cerci (J, ventral view; K, lateral view); L, Spermatheca. Scale bars. 0.1 mm for E and F; 0.02 mm for A, B, D and H–L; 0.01 mm for C and G.