Tetrichina trihamulata Chang & Chen, sp. nov. 40 female genitalia, dorsal view; 41 same, lateral view 42 same, ventral view 43 female anal segment, dorsal view 44 anterior connective lamina of gonapophyses VIII, lateral view 45 posterior connective lamina of gonapophyses IX, dorsal view 46 same, lateral view 47 gonoplacs, lateral view 48 sternite VII, ventral view. Scale bars: 0.5 mm. Abbreviations: lf–lateral field of posterior connective lamina of gonapophyses IX; slf–sublateral field of posterior connective lamina of gonapophyses IX; mdp–medial dorsal process; pvd–posterior ventral lobes.