Key to genera of Eupteryx -complex

1. Forewing broadened to apex with all veins separated distally (apical cells quadrate basally), and with apical cells occupying about half total area of forewing ......................................................................... Almunisna Dworakowska

- Forewing parallel sided to apex with some veins confluent preapically, and with apical cells occupying no more than 1/3 total area of forewing ............................................................................................................................................. 2

2. Body robust, with dorsum pale and with multicoloured pattern................................................................................... 3

- Body slim, with upper part dark, and with color pattern brownish to brownish-black ............................................... 8

3. Subgenital plate more or less abruptly narrowed preapically with row of peg-like setae there ..... Aguriahana Distant

- Subgenital plate not narrowed as above and without row of peg-like setae................................................................. 4

4. Paramere without subapical tooth on caudal part; gonopore preapical ........................................................................ 5

- paramere with subapical tooth on caudal part; gonopore apical................................................................................... 6

5. Male pygofer side with dense groups of setae near ventral margin; apex of aedeagal shaft semimembranous............. .................................................................................................................................................... Comahadina gen. nov

- Male pygofer side without dense groups of microsetae near ventral margin; apex of aedeagal shaft well sclerotized ........................................................................................................................................................... Eurhadina Haupt

6. Subgenital plate with apex pocket-like............................................................................. Wagneriunia Dworakowska

- Subgenital plate with apex narrowed............................................................................................................................ 7

7. Aedeagual shaft with processes basally.................................................................................... Bellpenna Chiang et al

- Aedeagal shaft with processes apically ............................................................................................... Omanesia Thapa

8. Male pygofer side bilobed; aedeagal shaft with paired apical processes ............................. Knightipsis Dworakowska

- Male pygofer side not bilobed; aedeagal shaft with single apical process ................................................................... 6

9. Male pygofer side with dense rigid setae ventrally near base; subgenital plate with base broadened then abruptly nar- rowed toward middle line at outer margin; paramere with distinct subapical tooth .............................. Eupteryx Curtis

- Male pygofer side without dense rigid setae; subgenital plate gradually narrowed toward apex; paramere without distinct subapical tooth ........................................................................................................... Caknesia Dworakowska