Key to the species of Calauta based on external appearance and male genitalia

1. Spinulate swelling on each lateral plate of juxta present; process on juxta slightly curved............. C. koreana sp. nov.

- Spinulate swelling on each lateral plate of juxta absent; process on juxta strongly curved............................ 2

2. Process on juxta extending beyond the costa of valva................................................. C. martini

- Process on juxta not extending beyond the costa of valva -..................................................... 3

3. Hyaline region in hindwing small; process on juxta shorter than lateral plate -............................ C. notoseusa

- Hyaline region in hindwing large; process on juxta longer than lateral plate............................... C. obscura