MICROLEPIDOPTERA OF NEW GUINEA 
3l 
around ovipositor J ) ; head with long loose hairs, costal fold in male 
absent Diphtheropyga gen. nov. 
Corethrogyne large, ventro-lateral or dorso-lateral, eighth tergite 
normal; head with appressed scales, costal fold in male always 
present 4 
4. Fore wing smooth-scaled, costa smooth; mostly white with black 
marginal markings or unicolorous whitish or yellowish; corethrogyne 
ventro-lateral, large, formed by fine hairs; diurnal species .... 
Chionothremma gen. nov. 
Fore wing not smooth-scaled, costa in male ciliate posteriorly, in female 
ciliate throughout, often a larger tuft of cilia in middle; mostly 
whitish, retinate and suffused with fuscous or greyish, markings 
tortricoid, fuscous, grey or blackish; corethrogyne dorso-lateral, 
seldom ventro-lateral, formed by variably shaped scales, seldom by 
hairs; nocturnal species Isotenes Meyrick 
5. Fore wing with veins 7 and 8 stalked 6 
Fore wing with veins 7 and 8 separate or one of these veins absent 26 
6. Fore wing with vein 9 out of stalk of 7 and 8 7 
Fore wing with vein 9 separate 10 
7. Fore wing with veins 3 and 4 stalked 8 
Fore wing with veins 3 and 4 separate 9 
8. Palpus ascending, hind wing with veins 3 and 4 stalked, 6 and 7 
stalked Dicellitis Meyrick 
Palpus porrect, hind wing with veins 3 and 4 connate, 6 and 7 nearly 
approximated towards base Hydaranthes Meyrick 
9. Fore wing with vein 7 to apex, costal fold in male present; palpus 
ascending Capnoptycha Meyrick 
Fore wing with vein 7 to termen Pandurista Meyrick 
10. Fore wing with vein 3 distinctly from before engle of cell . . 11 
Fore wing with vein 3 from angle of cell 12 
11. Fore wing in male without costal fold; brightly coloured or black 
Chresmarcha Meyrick 
and white (diurnal ?) species 
Fore wing in male with costal fold; ochreous or brownish coloured 
species with the usual tortricoid markings . . Adoxophyes Meyrick 
12. Hind wing with veins 6 and 7 approximated towards base or 
remote 13 
Hind wing with veins 6 and 7 connate or stalked 17 
13. Fore wing with a dorsal scale-projection before middle 
Pternozyga Meyrick 
Fore wing without such projection 14 
14. Hind wing with vein 4 absent Heterochorista gen. nov. 
Hind wing with vein 4 present 15 
15. Fore wing with vein 7 to apex or costa . . . Pliricanthes Meyrick 
Fore wing with vein 7 to termen 16 
b See seoond footnote on foregoing page. 
