Key to species of the genus Zographetus

1 In male, origin of vein Cu 2 on forewing about midway between wing base and vein Cu 1, no swollen veins............... 2

- In male, origin of vein Cu 2 on forewing much closer to wing base than to vein Cu 1, ventral side of forewing with basal portions of vein Cu 2 and cubitus swollen.......................................................................... 9

2 Dorsal side of forewing with secondary sexual characters..................................................... 3

- Dorsal side of forewing without secondary sexual characters................................................... 7

3 Dorsal side of forewing with an orange hair tuft at basal dorsum................................................ 4

- Dorsal side of forewing with special brands................................................................ 5

4 Upper cell spot larger and distinct, space M 2 unmarked on dorsal side and black on ventral side; subzonal sheath of aedeagus bent.......................................................................................... Z. pangi

- Upper cell spot rather smaller, spot in space M 2 white on both sides; subzonal sheath of aedeagus straight.... Z. hainanensis

5 On ventral side of hindwing, basal two-third dusky sulphur with a dark spot in cell and space Sc+R 1, outer third purple brown, more or less incorporating the dark discal spots. Male brands inconspicuous, more or less vestigial. Male genitalia with outer arm of subuncal process well developed............................................................. Z. durga - Ventral side of hindwing more uniformly colored with series of dark spots in spaces Cu 2 to Sc+R 1 (in space Rs spot may be vestigial) and in cell................................................................................... 6

6 Ventral side of hindwing golden brown to rich ferruginous; male genitalia with outer arm of subuncal process generally vestigial.......................................................................................... Z. ogygia

- Discal area on ventral side of hindwing yellowish in male, most of wing yellowish in female; male genitalia with outer arm of subuncal process more or less developed............................................................. Z. doxus

7 Forewing with three spots in subapical area and one spot at lower half of distal cell; in male, spot in space M 3 elongated, overlapped with that in Cu 1 and adjacent to cell spot..................................................... Z. flavalum

- Forewing with one subapical spot and two separated cell spots; in male, spot in space M 3 small, not overlapped with that in Cu 1 and detached from cell spot............................................................................. 8

8 Small, forewing 13 mm; post-discal spots on ventral side of hindwing well marked....................... Z. ogygioides

- Larger, male forewing 16 mm; forewing cell spots subequal; ventral side of hindwing very dark ferruginous, more or less purple washed, and the spotting faint or absent................................................................ Z. kutu

9 Ventral side of forewing without black hair tuft, dorsal side of forewing with special brands on either side of subbasal portions of veins 2A and Cu 2 and on lower side of cubitus; origin of vein Cu 2 on forewing midway between wing base and vein Cu 1 in female........................................................................................ Z. satwa

- Ventral side of forewing with a black hair tuft.............................................................. 10

10 Ventral side of hindwing overlaid with yellow scales condensed into a pale yellow broad band from vein Cu 1 to vein Sc+R 1. Female with origin of vein Cu 2 on forewing midway between wing base and vein Cu 1. Male with veins swollen in basal part only......................................................................................... Z. pallens

- Superscaling on ventral side of hindwing not condensed into a band............................................ 11

11 Ventral side of forewing with glandular swelling of cubitus short, extending only one-third of the distance to vein Cu 1; in male, dorsal side of forewing with spot in space Cu 1 narrow, higher than wide..................................... Z. rama

- Ventral side of forewing with glandular swelling of cubitus long, reaching more than half-way to vein Cu 1; in male, dorsal side of forewing with spot in space Cu 1 broad, quadrate or broader than high......................................... 12

12 Dark spots on ventral side of hindwing well marked; distributed in Sulawesi................................ Z. abima

- Ventral side of hindwing unmarked; distributed in southern China ......................................... Z. rienki