The genus Psilometriocnemus Saether is newly-recorded from the Oriental Region of China. One new species Psilometriocnemus scetheri sp. nov. is described and illustrated as the male imago. The new species is characterized by a robust anal point, reduced inferior volsella and crista dorsalis. The generic diagnosis of the genus is emended and a key to adult males of Psilometriocnemus worldwide is presented.
The genus Apometriocnemus S^ether is newly recorded from Oriental China. The new species Apometriocnemus nudulus sp. nov. is described and illustrated. A key to adult males in the world of Apometriocnemus is presented.