MICROLEPIDOPTERA OF NEW GUINEA 
75 
Chionothremma soligena spec. nov. (figs. 58, 76) 
<J 19.5 mm, $ 22 mm. Head, palpus and thorax bright ochreous, face 
below and base of palpus whitish-ochreous. Abdomen rather bright 
ochreous mixed with blackish at base and on venter, in male anal tuft 
shining pale ochreous mixed with blackish, in female pale ochreous with 
corethrogyne light ochreous-brownish with dark grey tips. Antenna with 
scape deep ochreous, flagellum blackish, white-ringed. Legs yellow’, 
suffused with orange. Fore wing with costal fold broad, to 2 / 5 ; costa 
slightly curved along fold, in male straight posteriorly, in female strongly 
curved anteriorly, straight posteriorly, apex rounded, termen vertical, 
straight above, rounded beneath. Male unicolorous ochreous-yellow, female 
deej) ochreous; darker at base of wing, and in female very narrowly along 
terminal edge. Cilia pale golden-ochreous, shining, with a faint somewhat 
darker antemedian line. Hind wing in male pale golden-yellow, in female 
pale-ochreous, apex suffused with darker ochreous; with an orange- 
yellow antemedian line. 
Tegumen clavate, moderately broad. Uncus rather slender, top ellip- 
soid, not indent. Socius ovate, small. Gnathos strong, arms broad, hook 
long, slender. Transtilla knob very oblique, elongate, median projection 
short, robust. Peniculus moderate, curved. Juxta rather flattened. 
Vinculum rounded, emarginate in middle. Valva irregularly semiovate. 
Aedoeagus with a moderate point (Slide No. 310 D, holotype). 
Limen narrow, gradually curved, convex, lateral emarginations rounded, 
shallow, lateral projections short, triangularly dilated above. Colliculum 
moderate, cylindrical, apex slightly wider, base somewhat narrowed, 
ventral split wide. Cestum narrow, coiled in middle, terminal fold broad, 
short. Signum narrow, with a large capitulum. Eighth tergite rather long 
(Slide No. 324 D, allotype). 
Lake Habbema, 3200 — 3300 m, August 7, 1939 (allotype). Hill north 
of Lake Habbema, 3800 m, August 24, 1939 (holotype). One male, one 
female. 
Diphtheropyga gen. nov. (fig. 80) 
ditp&ega = a leather sack, nvytf = rump 
Head with long loose rather sparse little appressed hair scales, pro- 
jecting between antennae and forming a loose tuft above face, latter 
short-scaled. Ocellus posterior. Proboscis developed. Antenna shortly 
ciliate in male (ciliations 1 / 2 ), pubescent in female, scape moderate. Palpus 
rather long, porrect, sinuate, loosely scaled, moderately’ dilated posteriorly 
by appressed scales above, terminal segment moderate in male, rather 
long in female, obtuse, slightly drooping. Thorax without crest. Abdomen 
without anal tuft in male, only a short fringe on eighth ventrite, in female 
with a small ventral corethrogyne of slender, clavate scales, eighth tergite 
forming a vesicle-like collar around ovipositor. Fore wing broad, elongate- 
truncate, without costal fold, lb furcate, 2 from slightly beyond middle 
