GLYPHIPTERYGIDiE. 
875 
second. Forewings snow-white; pale ochreous lines on veins 1 b 
and 12; a fine pale ochreous median line (median vein) from base 
to end of cell, whence two very faint shades proceed to costa and 
one to termen ; a better-marked brownish-ochreous line just beneath 
costa from middle to apex, thrice interrupted : cilia whitish-grey - 
ochreous, on costa white. Hindwings pale grey ; cilia pale greyish- 
ochreous. 
Natal, Karkloof, January ; 1 ex. (Coll. Janse). 
GLYPHIPTERYGIDiE. 
Imma thianthes, n. sp. 
<S 5 • 20-23 mm. Head pale ochreous-yellowisn, crown some¬ 
times tinged brownish centrally. Antennal ciliations <J 1|. Palpi 
yellow-whitish, $ second joint long, suffused grey externally except 
towards base, terminal joint of second, equally stout and similarly 
scaled, obtuse, grey, $ second joint long, suffused grey on apical half, 
terminal joint J, rather slender, pointed, dark grey. Thorax fuscous, 
somewhat marked light ochreous-yellow on teguke and posteriorly. 
Forewings rather elongate-triangular, termen rounded, somewhat 
oblique; 7 and 8 stalked, 8 to apex: dark fuscous, irregularly and 
suffusedly strigulated light ochreous-yellow, sometimes coalescing 
in irregular spots and markings especially on anterior half; a nearly 
straight transverse light ochreous-yellow median streak, slightly 
interrupted in middle beneath a longitudinal bar crossing it, a curved 
mark beyond this limiting transverse vein posteriorly ; an irregular 
ochreous-yellow spot on costa about §, and another on costa before 
apex, whence a bisinuate streak runs near termen to tornus ; a very 
fine irregular pale yellowish terminal line: cilia light fuscous, base 
suffused pale yellowish, tips whitish. Hindwings prismatic-hyaline, 
veins dark fuscous ; a dark fuscous apical blotch occupying of 
wing, and reaching middle of termen, terminal edge below this 
suffusedly dark fuscous ; cilia light fuscous, darker towards base. 
Retinaculum $ forming a short tooth-like projection of dark fuscous 
hairs. 
New Ireland, also New Hanover and St. Matthias, December to 
July, 6 ex. ( Meelc , Eichhorn). 
Imma nephelatma, n. sp. 
(J $ • 19-21 mm. Head light fuscous, sides suffused pale 
ochreous. Antennal ciliations <J 1|. Palpi pale ochreous, second 
joint externally suffused fuscous except base, terminal joint fuscous, 
(Jvery short, £ short. Thorax fuscous. Anal tuft <J whitish. 
Forewings elongate-triangular, termen rounded, somewhat oblique ; 
7 and 8 stalked, 8 to apex, indefinite ; rather dark purplish-fuscous ; 
in (J a short pale ochreous median streak from base, tinged red at 
base; a cloudy spot of dark fuscous suffusion on end of cell, pre¬ 
ceded by an obscure blotch of grey-whitish suffusion extended 
halfway to dorsum (in more distinct on undersurface): cilia 
