Key to species of Lasiochira Meyrick

1. Forewing dark ocherous brown.......................................................................... 2

- Forewing pale yellowish or ocherous brown............................................................... 4

2. Forewing with a bright ocherous yellow spot near base of dorsum (Fig. 12)............................. L. camaropa

- Forewing without oecherous yellow spot near base of dorsum.................................................. 3

3. Antrum wider than length (Fig. 24)...................................................... L. rosataenia sp. nov.

- Antrum nearly squared (Fig. 25)...................................................... L. flavaterminata sp. nov.

4. Sacculus without distal process (Fig. 19)........................................................ L. xanthacma

- Sacculus with a triangular distal process directing downward................................................. 5

5. Ostium bursae open anteriorly.......................................................................... 6

- Ostium bursae closed anteriorly......................................................................... 7

6. Ostium bursae triangular, without antero-lateral spine (Fig. 20)........................... … L. jianfengensis sp. nov.

- Ostium bursae round, with an antero-lateral spine (Fig. 23)................................... L. taiwanensis sp. nov.

7. Juxta with posterior margin almost extending horizontally outward, forming a pair of small triangular lateral lobes (Fig. 15)................................................................................... L. jiulongshana sp. nov.

- Juxta with posterior margin concave widely, forming a pair of digitate lateral lobes (Fig. 16)........ L. pallidiptera sp. nov.