Diagnostic features of Trichopsenius huaxiensis sp. nov., A, B, E, G–J male; C, D, F, K female A tergite VIII, male B sternite VIII, male C tergite VIII, female D sternite VIII, female E tergite IX–X and sternite IX, male F ditto, female G median lobe of aedeagus, lateral view H ditto, ventral view I right paramere J left paramere K spermatheca. Scale bars: 0.05 mm (K); 0.2 mm (A–D, G–J); 0.5 mm in (E, F).