Eudactylopus, A. Scott, 1909

Key to the species of Eudactylopus View in CoL .

1a Rostrum triangular with round apex ……………………………………………………………… 2a

1b Rostrum sharply triangular, free end with pointed apex ………………………………………… 8b

2a A1 7-segmented, aesthetasc on 3 rd and 4 th segment in female ……………………………………… 6b

2b A1 7-segmented, 2 aesthetascs on 4 th segment in female ………………………………………… 9b

3a A1 8-segmented, aesthetasc on 3 rd and 4 th in male ……………………… E. anomala Sewell, 1940 View in CoL

3b A1 9-segmented, aesthetasc on 4 th only ………………………………………………………… 5b

4a A1 9-segmented aesthetasc on 3 rd and 4 th in male …………………………………………… 5a

4b A1 9-segmented aesthetasc on 4 th and 5 th in male …………………………………………… 7a

5a P2 enp extending to proximal apex of exp 3 in males ………………… E. striatus Sewell, 1940 View in CoL

5b P2 end extends to middle of Exp-3 at most in males ………………… E. fasciatus Sewell, 1940 View in CoL

6a P5 droplet-shaped; inner seta of P5 exp short ………………………… E. opimia ( Brian, 1928) View in CoL

6b P5 square-shaped; inner seta of P5 exp is long, comb-like ………………………………… 9a

7a P5 droplet-shaped; inner seta of P5 exp long and bipinnate …………… E. spectabilis ( Brian, 1923) View in CoL

7b P5 droplet-shaped; inner seta of P5 exp long ………………………… E. robustus ( Claus, 1863)

8a P5 oblong-shaped; inner seta of P5 exp is short ……………………… E. lucayosi ( Geddes, 1969) View in CoL

8b P5 wide f lap-like structure ………………………………………… E. latipes (T. Scott, 1893) View in CoL

9a Basendopod exp of P5 fused …………………………………………… E. andrewi Sewell, 1940 View in CoL

9b Basendopod and exp of P5 separated ……………………… E. yokjidoensis Cho, Wi and Suh, 2018 View in CoL