56 
MICROLEPIDOPTERA OF NEW GUINEA 
brown striga with dorsum before tornus; space between basal and costal 
patches suffused with deep purple-lilac, becoming deeper lilac posteriorly, 
with a purple gloss in certain lights ; a moderate streak of deep ferruginous 
suffusion along fold from edge of basal patch to middle; costal edge between 
dark dots, ochreous; wing beyond costal patch light fuscous-lilac, mixed 
with ochreous, less glossy, with a few dull ferruginous scales; an erect- 
ovate vertical ferruginous blotch from 3 / 4 of termen to vein 7, connected 
above by a line with a deep ferruginous-brown triangular costal dot; a 
second similar dot on costa before apex; a narrow ferruginous streak 
along apex and upper half of termen. Hind wing pale ochreous, suffused 
with cloudy ochreous-fuscous, marbled with darker fuscous, cilia greyish- 
fuscous with a (tale basal line. 
Tegumen narrowed. Uncus with a rather broad, gradually dilated top. 
Socius small. Gnathos slender, hook moderately curved. Valva elongate, 
rather narrow, not distinctly clavate, sacculus weak, simple. Aedoeagus 
robust, rather cylindrical, orifice with a wreath of short dentations (top 
and hook broken ?). Comuti a sheaf of long spines and a large tooth (Slide 
No. 617 D). 
Mist Camp, 1800 m, January 11, 1939. One specimen. Allied to pre- 
ceding. 
Rhomboceros ethica spec. nov. (fig. 278) 
i)!hxos = characteristic 
$ 17.5 mm. Head whitish-ochreous, flattened, projecting tuft on vertex 
with dark brown tip. Palpus dark brown, pale ochreous towards base, 
median and terminal segments with pale ochreous apex. Antenna pale 
ochreous, ringed with dark brown. Thorax dark brown, shoulder pale 
ochreous. Abdomen rather dark fuscous-grey, paler towards base. Legs 
ochreous, suffused with brownish, anterior leg dark fuscous, with tarsus 
light-ringed. Fore w r ing with costa strongly arched anteriorly, sinuate 
posteriorly, apex obtuse, projecting, termen concave above, gradually 
rounded below. Deep greyish-ferruginous-brown, glossy, regularly speckled 
with minute didl transverse dots on basal fourth; with transverse row's 
of dark brown pale edged small dots; costal edge pale ochreous, dorsal 
edge whitish; base with a moderate blackish suffusion; an oblique erect- 
triangular moderate blackish -brown spot on x / 3 of costa, preceded by some 
four small blackish-brown marginal marks; third mark largest, imme- 
diately followed by a large erect-triangular whitish costal patch, reaching 
to before apex; this whitish patch enclosing another, less erect blackish 
triangular patch, which is finely marbled with whitish-grey, so as to form 
three separate rather irregular dots along costa; first of these dots con- 
nected by an oblique short band with larger rounded patch on top of 
triangle; both last mentioned marks tawny-brownish, densely scattered 
with brownish -black; a suffused dark brownish dot on costa before apex; 
base with a row of dark brown dots. Cilia blackish-grey, along costa 
