72 
MICROLEPIDOPTERA OP NEW GUINEA 
yellow, shining, apjiearing darker in certain lights, pectus whitish. 
Abdomen fuscous. Legs (imperfect) whitish, suffused with grey. Fore wing 
lanceolate, strongly narrowed at the base, costa gently curved anteriorly, 
apex acute, termen indefinite, dorsum strongly prominent and curved 
beyond the base. Grey-fuscous with golden gloss, faintly dusted with 
ochreous. A rather narrow pale yellow streak along anterior two-thirds 
of the costa; a deeper yellow streak along the dorsum from the base to 
the apex, strongly dilated and reaching to the fold on the basal fifth, 
gradually attenuate and becoming very narrow posteriorly; anterior two- 
thirds of the costal edge narrowly dark grey. Cilia along the costa and 
opposite the apex, pale yellowish, pale fuscous elsewdiere. Hind wing 
glossy whitish-grey, slightly suffused with pale fuscous. Cilia pale golden- 
fuscous. 
Ostium, a short conical cup, ventral rim incised. Signa, a group of some 
20 slender spikes, remote from each other, arising from the weak wall of 
the bursa, and an irregular subtriangular plate in the wall, opposite the 
spikes. (Slide no. 1077 D, type.) 
Mist Camp, 1800 m, January 12, 1939. One specimen. 
Melanesthes gen. nov. (fig. 615) 
/ieAag = black, ia&rji; = gown 
Head smooth. Ocellus posterior. Proboscis developed. Antenna 3 / 4 , 
minutely ciliate in the male, scape elongate, moderately thickened poste- 
riorly, without a pecten. Labial palpi long, recurved, diverging, smooth, 
Fig. 615: Melanesthes disema gen. nov., spec, nov., head and wing neuration. 
median segment slightly thickened, terminal segment H/g, slender, acute. 
Thorax without a crest. Posterior tibia clothed with rather smoothly 
appressed bristly hairs, moderately projecting below, more so above, 
especially opposite the median spurs. Fore wing lanceolate, acute; lb 
