FIGURE 4 in Two new species of the Simulium (Simulium) tuberosum species-group (Diptera: Simuliidae) from Palawan, the Philippines

FIGURE 4. Female and pupa of Simulium tukurongense sp. nov. (A) Clypeus (front view). (B) Hind basitarsus and second tarsomere (left side; outer view). (C) Frontal trichomes. (D) Facial trichome. (E)–(H) Thoracic trichomes (E, anterodorsal; F, anterolateral; G, mediolateral; H, ventrolateral). (I) Gill filaments (right side; outer view). (J) Hair-like seta on dorsal surface of abdominal segment 1. (K) Hair-like seta and spinous seta on dorsal surface of abdominal segment 2. Scale bars. 0.05 mm for B and I; 0.02 mm for A; 0.01 mm for C–H, J and K.