Key to the Tribes and Genera of the Korean Apaturinae

1 Horn-like processes on head of ultimate larval instar straight (Fig. 14); adult proboscis yellow ............ 2 (Apaturini)

- Horn-like processes on head of ultimate larval instar curved (Fig. 15); adult proboscis red ........................................ ........................................................................................................................................... Pseudergolini: Dichorragia

2 Discal cells open toward 4th apical cell, without lower disco-cellular vein between bases of M2 and M3 (Fig. 1); forewing without transparent oval membrane; larvae hibernate (Fig. 14) .......................................................................... 3

- Discal cells closed toward 4th apical cell, with a delicate lower disco-cellular vein between bases of M2 and M3 (Fig. 2); forewing with two or three transparent oval membranes near apex (Fig. 17); pupae hibernate .................... Dilipa

3 Ventral surface of adult hind wing with many distinct colorations and markings ...................................................... 4

- Ventral surface of adult hind wing generally concolorous only with a couple of indistinct fasciae ............... Chitoria

4 Adult forewing without orange patches proximal to discal cell; ventral surface of hind wing without or with less than three black spots in discal cell ..................................................................................................................................... 5

- Adult forewing with orange patches in center of discal cell (Fig. 6); ventral surface of hind wing with three black spots in discal cell ............................................................................................................................................. Sephisa

5 Adult male with purple or blue structural color on dorsal surface of both wings; hind wing vein Sc+R1 very short, shorter than vein Rs (Fig. 1); ventral surface of hind wing with two minute but distinct round black spots in discal cell .................................................................................................................................................................... Apatura

- Adult with no distinctive structural color on the wings; hind wing vein Sc+R1 longer than vein Rs; ventral surface of hind wing without round spots in discal cell ............................................................................................................... 6

6 Both wings basically whitish with many blackish stripes along veins (Figs. 3, 12–13); discal cell of dorsal surface of hind wing white without markings ..................................................................................................................... Hestina

- Characters not as above ............................................................................................................................................... 7

7 Dorsal part of adult thorax with three whitish longitudinal stripes (Fig. 4); wings with markings of various colors.... ........................................................................................................................................................................... Sasakia

- Dorsal part of adult thorax without whitish longitudinal stripes; dorsal surface of both wings black (or dark brown in aged specimens) with white markings (Figs. 5, 16).................................................................................... Mimathyma