154 
iVI ICROLEP ID OPT ERA OF NEW GUINEA 
costal patch preceding and following white discal spot, more suffused 
with black; transverse appendix from top of costal patch curved, less 
oblique, gradually narrowed below, with its acute extremity reaching 
tornus, sometimes connected with preterminal fascia. Hind wing paler. 
Otherwise similar to male. 
Colliculum moderately chitinised, rather narrow, moderately long. 
Cestum broad, rather short. Signum with point narrower than in T. 
archboldi spec, nov., curved only towards end (Slide No. 456 D, allotype). 
Mist Camp, 1800 m, January 10 — 14, 1939. Top Camp, 2100 m, February 
7, 1939 (holotype, male), February 8, 1939 (allotype, female), February 9, 
1939. Iebele Camp, 2250 m, November 17, 1938. Six males, two females. 
Nearest to T. ostracopis Meyrick. 
Thrincophora nebulosa spec. nov. (fig. 197) 
$ 29 mm. Head grey irrorated with white, vertex mixed with white. 
Palpus white, slightly irrorated with fuscous, median segment with an 
oblique transverse median dark grey suffusion, terminal segment, except 
tip, faintly suffused with greyish. Thorax dark grey slightly irrorated with 
whitish, tegula edged with white. Abdomen ochreous-greyish (damaged). 
Legs whitish, anterior leg blackish, tibia and tarsus with dark grey rings. 
Fore wing elongate, moderately dilated, rather broad, costa gradually 
moderately curved, less curved posteriorly, apex rounded, termen con- 
siderably rounded, more so below, vertical. Pale mouse-grey, markings 
suffused darker grey dotted with black. Basal patch moderate, edge 
suffused with black, strongly angulate in fold, very oblique above, less 
distinct beneath, costa dotted throughout with small blackish triangular 
marks alternating with blackish and dark grey points; central fascia 
indicated by a transversely oblique narrow ill-defined streak of grey 
suffusion from before ’/a of costa towards tornus, slightly edged with 
blackish above, abruptly dilated just below middle of disc so as to form a 
large ill-defined rounded patch of grey suffusion reaching dorsum ; upper 
edge of this patch formed by a black triangular mark with truncate top; 
base of this mark forming narrow short horizontal streaks, posterior 
streak excurved, enclosing a rounded spot of ground colour; anterior and 
posterior edges of grey suffusion indefinite, black strigulation along fold; 
dorsum transversely strigulated with grey; costal patch ill-defined, grey, 
erect-triangular, from before 3 / 5 of costa to before apex, top suffused with 
black; a strongly curved erect-triangular dark grey appendix from top 
of costal patch to tornus, narrowed below lower extremity, which is run- 
ning parallel to terminal edge; a suffused preapical blackish line dotted 
with black, dilated before termen below apex to vein 5, slight fulvous 
strigulation on posterior third of wing. Cilia white, barred with grey, basal 
half blackish, barred with white. Hind wing pale whitish-ochreous, tinged 
with pale brownish-fuscous posteriorly; cilia whitish with a distinct 
fuscous antemedian band. 
