MICROLEPIDOPTERA OF NEW GUINEA 
127 
Uncus narrow, short-bifid. Socius large. Valva constricted in middle; 
cucullus semiovate, with two marginal teeth below its top, sacculus very 
blunt. Aedoeagus rather long, little curved, top constricted (Slide No. 
770 I), holotype). 
Limen with a broad emargination, an elongate, arrow-head-shaped 
plate below. this, with obtuse top, concave towards sides. No cestum. 
Bursa copulatrix with a weak round slightly scobinate plate (Slide No. 
771 D, allotype). 
Lake Habbema, 3250-3300 m, August 26, 1938 (holotype, male), 
August 3, 1938 (allotype, female), August 6—18, 1938. Three males, one 
female. Allied to H. zygodelta Meyrick. 
Hermenias merodelta spec. nov. (figs. 341, 345) 
/lino- — mark, de).ra = letter delta 
g 14.5 mm, $ 16 mm. Head white, sides of face and vertex black. Antenna 
in male with scape and basal fourth as far as notch black, posteriorly dark 
grey, in female black, scape black, white above. Palpus black, upper edge 
anti inner side of median segment except base white. Thorax grey mixed 
with white and black, edged with white (damaged). Abdomen grey; sides 
with long light grey scales in female. Legs dark grey, anterior and median 
tibia and all tarsi black, white-ringed. Fore wing in male with a moderate 
fold to '/ 3 , costa gradually moderately curved throughout, more so 
anteriorly, less curved in male; apex subobtuse, termen straight; in 
female termen moderately oblique, more oblique in male. Deep glossy 
fuscous-bronze, subcostal area from base to apex with violet gloss, 
markings black and white. Costa with eight pairs of short narrow white 
strigulae, last strigula single ; a white dorsal streak from well beyond base 
to 3 / 6 ; anterior extremity of this streak with a moderate rounded pro- 
jection above, not reaching fold, posterior extremity continued by an 
inwardly oblique wedge-shaped transverse streak to middle of disc at 2 / 3 ; 
a rounded white spot between top of last mentioned streak and 3 / 4 of 
costa, slightly nearer to the former ; an elongate streak of black suffusion from 
base of costa along fold and middle of disc, edging white marks above, 
separating wedge-shaped streak and round spot and extended to a black 
rectangular patch beyond round spot, this patch not reaching termen; a 
faint transverse vertical wedge-shaped streak from costa beyond middle, 
followed by three rounded black costal dots alternating with white costal 
pairs of strigulae, ultimate dot largest, in apex, touching preterminal 
black patch; a somewhat curved, inwardly oblique subclavate fuscous- 
blackish transverse patch on dorsum, edging wedge-shaped transverse 
streak posteriorly, reaching 1 / 3 across wing; this patch followed by a 
whitish patch in tornus to lower part of termen, strongly irrorated with 
bronze; a moderate dark fuscous streak along middle third of termen, 
penetrating into preceding, becoming very narrow above; a small tri- 
angular white dot on termen below apex edged with blackish anteriorly. 
