174 
MICROLEPIDOPTERA OE NEW GUINEA 
Ripidophnra Hubner, 1806, Tentamen, p. 2 ( nomen nudum). 
Euchiradia Hubner, 1826, Verz. bek. Sohra., p. 431. 
AlucAta auctorum, nec Linne . 
Tegumen moderate, somewhat rounded laterally, narrowed. Uncus 
with a triangular base, and a long slender clavate apical projection. Socii 
absent. Gnathos, a strong, dagger-like, Y or T-shaped, pending hook with 
short arms. Transtilla mostly absent, sometimes labides present. Valva 
with a longitudinally and strongly extended base, disc reduced to a small 
triangular costa at the base of tegumen, forming an elongate sparsely 
bristled cucullus, and a basal bristled knob. Vinculum strong, elongate, 
apex truncate or rounded. A strong furca present, shaped like a pair of 
rising or porrect, often long, blades. Aedoeagus broad, tubular, some- 
times with a vesicular base. Cornuti, a shea! of strong bristles or a patch 
of dentations. 
Ovipositor erectile, moderately long, slender, lobes pointed, sparsely 
and finely bristled. Ostium and ductus bursae little modified. Bursa 
copulatrix spheroid, sometimes finely denticulate. Signa, large dentations, 
or absent. 
Key to the Papuan species of Orneodes 
1. Hind wing white, finely fasciate with blackish, two bright orange or brownish- 
yellow triangular patches, and a round black patch, on lobe a 
semophantis Meybick 
Hind wing not thus coloured 2 
2. Ground colour distinctly orange, yellow or ochreous tinged 3 
Ground colour white, more or less irrorated with grey or fuscous ... 9 
3. Fore wing deep orange, fasciate with whitish-yellow, hind wing whitish with 
about six orange bands eteoxantha Meyrick 
Fore wing yellow or ochreous, hind wing not as above 4 
4. Thorax and abdomen unieolorous dark brown, the latter with narrow bands; 
frons of head with a strong projecting cone ewlasys, spec. nov. 
Thorax and abdomen blackish-grey and yellow, yellow or white, sometimes 
irrorated with darker colour 5 
5. Thorax blackish-grey, posterior half ochreous-yellow with two blackish-grey 
dorsal spots; abdomen blackish-grey, three basal segments mixed ochreous- 
yellow, anal tuft oehreous-whitish eurynephela Meyrick 
Thorax and abdomen not thus ® 
6. Thorax bright ochreous-yellow or orange-ochreous, banded or slightly ir- 
rorated with brown 7 
Thorax yellowish-white, densely irrorated with dark grey; fore wing with four 
brown fasciae, first of these anternedian ...... brachyphimus Hering 
Thorax white or whitish, irrorated with grey 8 
7. Thorax bright ochreous-yellow, a transverse band of dark brown irroration 
at 2 / 3 , tegula with a dark brown dot on middle of base xanthozona spec. nov. 
Thorax bright orange-yellow, irrorated with brown micrographa spec. nov. 
8. Abdomen oehreous-whitish, irrorated with dark grey; fore wing with first 
segment whitish-ochreous suffused with grey, seven fine white bars 
microdesma Meyrick 
