Neptosternus coomani Peschet, 1923
(Figs. 6, 12)
Neptosternus coomani Peschet, 1923: 175 (original description; Vietnam).
Published records. Nilsson 1995: 68; Hendrich & Balke 1997: 61; Bian & Ji 2009: 36.
Material examined. 20 spec., China, Guangdong Province, Dinghu Mountain, 14. vi. 1963, Shaorong Chen leg.; 10 spec., same data, but Tongxu Peng leg.; 1 spec., same data, but 8.vii.1964, Entian Wu leg.; 13 spec., China, Guangdong Province, Dinghu Mountain, Feishui Pool, 18.vii.1964, Tongxu Peng leg. (all SYSU). All specimens bear identification label: Neptosternus coomani Peschet, det. Hong Zeng.
Distribution. Distributed in northern Vietnam and southern China (Guangdong, Guangxi, Hainan, Hong Kong); a doubtful record from northern Thailand (Hendrich & Balke 1997).