96 
MICROLEPIDOPTERA OE NEW GUINEA 
Key to the species of Metaschistis 
1. Ground colour reddish-orange or crimson-fulvous 2 
Ground colour not thus 3 
2. A large semicircular whitish spot on middle of costa . hemicyclica spec. nov. 
No such spot purpurescens spec. nov. 
3. Ground colour blackish, markings shining or whitish blue-leaden .... 4 
Ground colour not blackish, no metallic-blue markings 5 
4. A strongly outwards oblique blue-leaden patch from 3 / 5 of costa, reaching 
3 /„ towards tornus sappiroflua spec. nov. 
A white, twice bent transverse band from 1 / s of costa to tomus 
cretata spec. nov. 
5. A small but conspicuous white discal dot gypsopa spec. nov. 
No such dot 6 
6. Basal half of wing pale ochreous, sharply edged with black, terminal half 
smoky violet-blackish hemicapnodes spec. nov. 
Not thus haematina spec. nov. 
Metaschistis hemicyclica spec. nov. (figs. 304, 305) 
ryu = half, xvxaoc; = circle 
^ 20 mm. Head grey, tips of scales pale grey. (Palpi missing.) Antenna 
fuscous, pale ochreous towards base, scape grey. Thorax grey suffused 
with light brownish, tips of tegulae and apex paler (damaged). Abdomen 
greyish-fuscous, anal tuft pale ochreous. Legs fuscous-grey, irrorated, 
anterior tibia and tarsus blackish, pale-ringed, posterior leg whitish. Fore 
wing triangularly-ovate, broad, costa gradually considerably curved, 
apex subobtuse, termen moderately sinuate, almost vertical. Orange- 
fulvous, along middle of costa suffused with pale ochreous -yellowish; 
along dorsum and before termen suffused with somewhat glossy pale lilac; 
basal half suffused with blackish-violet, darker towards costa and base. 
A large regularly semiovate white patch occupying less than central half 
of costa, reaching to centre of wing, along costal edge transversely 
strigulated and dotted with blackish-violet becoming yellowish posteriorly; 
an oblique transverse costal spot before middle, reaching to middle of 
white spot; this transverse spot pale oehreous-yellowish, suffused on 
costa and along lower edge with blackish- violet ; a smaller semiovate spot 
on costa before termination of white patch, with a small transverse 
appendix from its top; this spot yellowish, suffused with dark violet along 
costa; an elongate spot of dark grey irroration in middle of white patch 
well above its lower edge; a minute white mark on costa beyond median 
white patch ; pale violet suffusion before termen forming a large triangular, 
ill-defined patch, with anterior edge inwardly oblique, lower edge hori- 
zontal; a row of brownish -violet triangular dots along dorsum. Cilia bright 
orange-fulvous. Hind whig greyish-fuscous, paler towards base, darker 
fuscous towards apex, cilia pale greyish -fuscous. 
Eighth segment broad, elongate, forming a strong cylindre, which is 
deeply emarginate and erect ventrally. Limen, a triangular short-haired 
