Key to the Korean Bodotria species

1. Carapace, dorso-lateral carina curved dorsally............................................................... 2

- Carapace, dorso-lateral carina reaching somewhat end of posterior margin........................................ 3

2 A pair of dorso-lateral carinae unconnected dorsally; lateral ridge not reaching end of posterior margin......... B. biplicata

- A pair of dorso-lateral carinae connected dorsally; lateral ridge reaching end of posterior margin............... B. parva

3. Carapace, lateral ridge curved upward posteriorly............................................. B. jejuensis sp. nov.

- Carapace, lateral ridge absent, if present parallel to the lateral carina............................................ 4

4. Carapace expanded antero-laterally; pereopod1, carpus dilated laterally.................................. B. carinata

- Carapace not expanded antero-laterally; pereopod1, carpus not dilated laterally..................................... 5

5. Carapace expanded postero-laterally, subtriangular in dorsal view and dorso-median carina on third to fifth free thoracic seg- ment prominently projecting to rear................................................................ B. ovalis

- Carapace not expanded laterally, subovate in dorsal view and no projection on free thoracic segment............ B. similis TABLE]. Comparison of morphological characteristics among Bodotria jejuensis sp. nov. and related species.