MICROLEPIDOPTERA OE NEW GUINEA 
107 
25. Central fascia moderately broad, distinct 26 
Central fascia absent ”7 
26. Discal blotch not connected with termen herbifera Meyrick 
Discal blotch connected with middle of termen .... arctosceles Meybick 
27. Costa broadly suffused with brownish throughout . . . spelaeodes Meybick 
Costa not thus suffused or suffused with white 28 
28. A largo irregular olive patch on middle of costa reaching below middle of disc 
seniiculta Meybick 
A white suffusion on middle of costa charidotis Durrant 
29. Fore wing with metallic-leaden, purplish or blue markings. 
Fore wing without metallic markings 
30. Dark grey, large dorsal and tornal snow-white patches . 
chionodelta Meybick 
Not thus 
31. Ground colour dark fuscous 32 
Ground colour not dark fuscous 33 
32. Metallic markings leaden-coloured and roughened . . . pachnodes Meybick 
Metallic markings light blue, not roughened rivulosa spec. nov. 
33. Ground colour brown, margins suffused rosy-crimson . . . erotias Meybick 
Not thus 34 
34. Dorsal three-fourths with purplish-fuscous marbling. . . parasema Meybick 
Undefined brownish suffusion in disc and in tornus . pyrrhocrossa Meybick 
35. Hind wing with a large peeten of pale scales below cell (in male only?) . . 
leucocteis spec. nov. 
Hind wing without such peeten 36 
36. Central fascia present 37 
Central fascia absent 38 
37. Central fascia narrow, connected with a longitudinal loop between this and 
middle of termen operosa Meybick 
Central fascia moderately broad harmonica Meyrick 
38. A small elongate ovate spot on costa beyond middle, triangular dots between 
this and apex rossola Meyrick 
No such spot, costa with a series of small transverse marks throughout . . 
batrachodcs Meyrick 
Argyroploce hemeronyx spec. nov. (figs. 322, 330) 
rjfiioa = day, vvg = night 
<3 18 mm, $ 19 mm. Head jet-black, face white, sides of tufts on vertex 
white. Antenna black, scape white below. Palpus white, apex of median 
segment and terminal segment entirely, jet-black. Thorax white, a trape- 
zoidal black patch anteriorly, posterior half irrorated with black, crest 
jet-black, patagia medianly black, pectus white. Abdomen greyish- 
fuscous, paler towards base. Legs white, posterior leg greyish-fuscous, 
anterior and median tibia and tarsus black, white-ringed, all coxae white, 
dotted with black. Fore wing with moderate tufts of raised scales, no 
costal fold in male; fore wing rather broad, subovate-truncate, costa 
moderately curved throughout, more curved in female towaids base, 
apex rounded-rectangular, termen moderately concave above, rounded 
beneath, almost vertical. Snow-white, in tornus tinged pale ochreous, 
