FIGURES 28–35 in The genus Ophiogomphus Lieftinck, 1964 in Vietnam, with descriptions of the female of O. minimus Karube, 2014 and O. phantoani sp. nov. (Odonata: Gomphidae)

FIGURES 28–35. Female occiput [28, 30, 32, 34] & abdominal end [29, 31, 33, 35] in ventral view of Ophiogomphus spp. (28, 29), O. longihamulus (rearranged from Karube 2014: Fig. 16 j, k); (30, 31), O. minimus, Nam Nung Nature Reserve; (32, 33), O. phantoani sp. nov.; (34, 35), O. sinicus (rearranged from Chao 1990: Fig. 10 & Zhang 2019: p. 424).