MICROLEPIDOPTERA OF NEW GUINEA 
35 
somewhat narrowed below; two stigmata distinct: dark fuscous, first 
discal rounded, plical somewhat elongate, below and slightly beyond 
preceding. Cilia dark fuscous. Hind wing rather dark bronze-fuscous, a 
whitish attenuated streak along basal two-thirds of costa. Cilia greyish- 
fuscous. 
Tegumen somewhat erected. Uncus with a short blunt hook. Socius, 
a row of fine bristles. Gnathos, a triangular flap with finely embossed 
upper surface. Valva large, narrowed, somewhat curved; cucullus bluntly 
triangular; sacculus strong, ending in a blunt curved process reaching to 
top of cucullus, inner edge of sacculus with two subtriangular projections : 
before and beyond middle. Vinculum broad, short, bluntly pointed. 
Aedoeagus short, moderate, pointed. (Slide no. 1052 D, type.) 
Sigi Camp, 1500 m, February 25, 1939. One specimen. 
YPON OMEUTID AE 
Key to the Papuan genera of Yponomeutidae 
1 . 
2 . 
3. 
4. 
5. 
6 . 
7. 
8 . 
10 . 
11 . 
12 . 
Hind wing with veins 5 and 6 stalked Argyresthia Hcbneb 
Hind wing with veins 5 and 6 separate 2 
Labial palpus very long, longer than thorax Betharga Walker 
Labial palpus not thus long 3 
Hind wing with vein 4 absent or coincident with 3 4 
Hind wing with vein 4 present 5 
Hind wing with veins 6 and 7 remote, 5 approximated to 6 
Yponomeuta Latreille 
Hind wing with veins 6 and 7 rather approximated towards base, 5 approximated 
to 4 Epichthonodes Meyrick 
Fore wing with vein 7 to costa 6 
Fore wing with vein 7 to apex or termen 7 
Fore wing with veins 6 and 7 stalked Docostoma gen. nov. 
Fore wing with veins 6 and 7 separate Comocritis Meyrick 
Hind wing with veins 3 and 4 connate or stalked 8 
Hind wing wdth veins 3 and 4 separate 13 
Labial palpus short, porrect; hind wing with veins 6 and 7 separate . . . 
Nosymna Walker 
Labial palpus moderate or long, if porrect, then hind wing with veins 6 and 7 
rather approximated towards base 9 
Fore wing with veins 7 and 8 stalked 10 
Fore wing with veins 7 and 8 separate 11 
Fore wing with vein 10 absent Porphyrocrates gen. nov. 
Fore wing with all veins present Iriania gen. nov. 
Antenna thickened • Anaphantis Meyrick 
Antenna not thickened ^ 
Fore wing with vein 2 from angle ; palpus subascending ; posterior tibia loosely 
scaled above Anticrates Meyrick 
Fore wing with vein 2 from well before angle; palpus recurved; posterior 
tibia smooth Toxopeia gen. nov. 
