MICROLEPIDOPTERA OF NEW GUINEA 
73 
Mesocalyptis morosa spec. nov. (figs. 295, 296) 
(J 19 mm. Head dark ferruginous-brown. Palpus light brown mixed 
with blackish-brown, especially above and beneath, terminal segment 
blackish-brown. Antenna dark fuscous, ringed with blackish. Thorax dark 
grey, anterior half dark ferruginous-brown. Abdomen dark greyish- 
fuscous, anal tuft greyish-ochreous. Legs dark fuscous, tibiae light-ringed, 
posterior leg pale ochreous-greyish, tibia dark -ringed. Fore wing without 
costal fold, elongate-ovate, dilated, costa rather curved anteriorly, less 
curved posteriorly, apex rounded, termen rounded, hardly concave above. 
Dull tawny and coffee-brown, densely scattered with glossy dark grey 
scales, rather indistinctly marked with dull dark coffee-brown. Base of 
wing and dorsum suffused with dark brown ; costa with narrow transverse 
streaks becoming more outwardly oblique posteriorly, reaching 1 / 3 across 
wing; about six anterior streaks more distinct, posterior streaks ill-defined 
and obscured by dark brown apical suffusion which forms an ill-defined 
oblique patch from apex to end of cell; cell narrowly edged with dark 
brown ; an ill-defined moderate dark brown dull fascia from base along 
and slightly below lower edge of cell, continued by a series of rounded 
dark brown dots beyond cell; this fascia tolerably parallel to discoidal 
vein, beyond upper angle of cell connected with the fifth oblique costal 
line originating from costa beyond middle; an oblique subterminal band 
of coffee-brown suffusion from apex to vein 3; a row of dull dark sub- 
triangular dots along dorsal edge, and a row of longitudinal elongate dots 
between veins along termen. Cilia fulvous, barred with fuscous-brown, 
basal half brown. Hind wing ochreous-grey, faintly coarsely marbled with 
dark grey; cilia ochreous-greyish, becoming whitish-greyish towards tornus 
and along dorsum, a grey antemedian shade. 
Tegumen short, broad. Uncus with hook clavate, top narrowed. Socius 
small, appressed to tegumen. Gnathos short, porrect, hook moderate. 
Transtilla moderate, flattened, slightly angulate in middle, short-dentate 
laterally. Valva simple, semiovate, truncate. Aedoeagus pistol-shaped, 
strong, with a sharp point (Slide No. 493 D). 
Moss Forest Camp, five km northeast of Lake Habbema, 2800 m, 
October 14, 1938. One specimen. 
Mesocalyptis zonata spec. nov. (fig. 293) 
$ 16 mm. Head and palpus pale tawny-fuscous, terminal segment of 
palpus darker fuscous. Antenna dark fuscous, scape tinged fulvous, a pale 
ochreous spot above. Thorax dark greyish-fuscous. Abdomen pale 
ochreous-greyish, anal tuft brighter ochreous. Legs pale ochreous, anterior 
tarsus blackish, pale-ringed. Fore wing elongate-ovate, little dilated, 
without costal fold, costa considerably curved anteriorly, less posteriorly, 
straight in middle, apex rounded, termen rounded, scarcely concave above, 
moderately oblique. Pale ochreous-fulvous, markings dark ferruginous- 
