132 
MICROLEPIDOPTERA OP NEW GUINEA 
Meridarchis cuphoxylon spec. nov. (figs. 504, 505, 508) 
mvtpo$ — light, gvAov = wood 
27 mm, $ 28 mm. Head and scape of antenna pale ochreous. Palpus 
long in female, moderate in male; pale ochreous, median segment mixed 
with dark brown at base, strewn with dark brown sparse scales posteriorly; 
terminal segment suffused with brownish except at apex, base mixed with 
blackish. Thorax light ochreous suffused with light fuscous anteriorly, 
sometimes an indistinct darker median band, apex more or less marked 
with dark brown. Abdomen pale ochreous-whitish, anal tuft whitish. Legs 
light fuscous, anterior tibia in male suffused with dark brown. Fore wing 
with veins 3 and 4 separate; narrowly elongate-triangular; costa little 
curved, apex subacute, termen sinuate, oblique. Pale ochreous, irregularly 
suffused with light brownish-fuscous, and with dark fuscous; base of costa 
somewhat suffused with dark fuscous; a small blackish streak on dorsum 
beyond base, indistinct in female ; four dark brown slightly elongate costal 
dots, first largest, before 1 / 3 , last at 3 / 4 ; three rather irregular moderate 
discal dots in an oblique series: first dot slightly before first costal dot, 
halfway between this and fold, other slightly approximated to each other, 
below second costal dot, respectively inwardly and outwardly oblique and 
rounded, sometimes suffused and ill-defined, mostly surrounded by dark 
fuscous suffusion in cell and finely edged by pale ground colour; a fine 
short angulat.e streak on end of fold and on dorsum below fold, mostly 
only its curved vertical half on fold distinct; sometimes a suffused dark 
brownish transverse streak on discoidal vein; a moderate brownish-fuscous 
marginal streak .along costa before apex and along termen to tornus, 
interrupted on veins 9 and 8, dentate on terminal veins, narrowed below; 
twu or three tufts of pale ochreous raised scales just below and above fold 
at 1 / 4 . Cilia pale ochreous, suffusedly barred with dark grey except on 
base, basal half scattered with dark brown scales. Hind wing with veins 3 
and 4 stalked; whitish faintly tinged ochreous, cilia whitish. 
Tegumen rounded, asymmetrical: left half swollen so as to form a 
large spheroid vesicle with a long point above. Uncus slender, small, 
erect-triangular, sparsely bristled below. Valva clavate, narrowed at 1 / 3 , 
cucullus bristled, harpe a strong subbasal hook. Vinculum erect-ovate. 
Aedoeagus long, stalk slender, spoon-like top erect, with rolled up, short- 
haired edges. Cornuti, a marginal row of strong bristles becoming shorter 
towards apex, but not reaching it. (Slide No. 840 I), liolotype). 
Ostium, a rounded, wide, finely retinate sac, orifice moderate, round, 
limen with a semicircular emargination, with a horn-like projection at each 
side, curved mediad. Dorsal wall of ostium with a moderate, curved rim. 
Ductus bursae with granulate wall. Bursa copulatrix large. Signa slender, 
each formed by two nail-like narrow rods with curved points. (Slide 
No. 841 D, allotype). 
Moss Forest Camp, 2600 — 2800 m, October 9 — November 5, 1938 
