Key to species of Sliochia Gauld (females)

1. Length of malar space 0.5× basal width of mandible; length of vein M between 2rs-m and 2m-cu approx. 0.4× vein 2rs-m; antenna with 25 flagellomeres; basal 0.2 of antenna blackish brown; hind femur and apical half of tibia brown; China ....................................................................................... S. adustifemur sp. nov.

- Length of malar space 0.8× basal width of mandible; length of vein M between 2rs-m and 2m-cu equal to vein 2rs-m; antenna with 18 flagellomeres; basal 0.2 of antenna yellowish; hind femur and tibia yellowish; Malaysia ........ S. bala Gauld, 1976