FIGURE 4 in Reconsideration of the genera Merogomphus Martin, 1904, and Anisogomphus Selys, 1857, including erection of a new genus, with a new species and discussion of additional specimens from Cambodia

FIGURE 4. Details of secondary genitalia of males of Euthygomphus yunnanensis from Cambodia: a–c—from Mondulkiri Province, 'Loringae' brook downstream of Buu Sraa Waterfalls; d–f—from Koh Kong Province, 'Microgomphus River' 6.5 km SW Thma Bang village; g–k—from Pursat Province, O'Som village; a—general lateral view; b—hamuli, lateral view; d, anterior hamulus, lateral view; e, posterior hamulus, oblique view; c—penis distal segment (V4), lateral view; f–g—ditto, ventral view; i—ditto, lateral view; j—ditto, dorsolateral view; h—penis (vesica spermalis), lateral view; k—ditto, ventral view. Not to scale.