i4 Annals of the Transvaal Museum 
Pycnostola crater aula n.sp. 
27 mm. Head whitish mixed with grey. Palpi whitish, second joint 
irrorated with dark grey except apical edge, terminal joint anteriorly irrorated 
with dark grey. Thorax whitish, with a dorsal stripe of greyish suffusion, a 
fuscous line on each side of back, and a blackish blotch on shoulder. Abdomen 
fuscous, apex whitish. Forewings elongate, very narrow, costa faintly sinuate, 
posteriorly slightly arched, apex pointed, termen sinuate, very oblique; 
whitish; costa and veins suffused with blackish except on dorsal area beneath 
fold; some brown suffusion towards base of costa, above end of cell, and on a 
subterminal streak; large blackish dots suffused with brown beneath costa 
at and a short very fine black line along fold towards base; a blackish 
dot beneath fold at \ of wing; stigmata blackish, discal approximated, plical 
very obliquely before first discal ; a slender blackish streak along termen : 
cilia on costa white with three blackish bars, tips grey, on termen whitish 
with two blackish-grey shades, on tornus ochreous-grey-whitish. Hindwings 
grey; cilia light greyish-ochreous, tips whitish. 
Natal, Standerton, in February (Janse); one specimen. 
Pycnostola merista n.sp. 
$ 17 mm. Head white, centre of crown sometimes faintly fuscous-tinged. 
Palpi white, second joint irrorated with rather dark fuscous except apex, tuft 
short, terminal joint with median band of dark fuscous irroration. Thorax 
white irregularly mixed with rather dark fuscous. Abdomen whitish. Fore- 
wings elongate, narrow, costa gently arched, apex pointed, termen extremely 
obliquely rounded; white, with scattered dark fuscous scales; markings 
formed by dark fuscous irroration; a short mark from costa near base, and a 
spot on base of dorsum; narrow irregular oblique fasciae at | and plical 
stigma visible as a darker mark on second; discal stigmata represented by 
round spots at middle and f , first confluent with larger spots beyond it on 
costa and dorsum, second confluent with a spot on tornus ; an irregular trans- 
verse spot across wing towards apex, more or less confluent with tornal spot, 
and two small spots on costa before and beyond this : cilia whitish with a 
dark grey shade, round apex with a black basal line, and some black scales 
near base on terminal markings, towards tornus tinged with pale greyish**, 
ochreous. Hindwings light blue-grey; cilia whitish-ochreous tinged with grey, 
at apex with a small grey spot at tips. 
Transvaal, Pretoria, in September and October (Janse); two specimens. 
Pycnostola ochraula n.sp. 
cJ 16 mm. Head white, with a few pale grey specks. Palpi white, second 
joint grey except apex, tuft very long, terminal joint anteriorly with a few 
grey specks. Thorax white speckled with grey. Abdomen grey, anal tuft 
whitish. Forewings elongate, narrow, costa slightly arched, apex acutely 
pointed, termen faintly sinuate, extremely oblique; grey, suffusedly irrorated 
with white and sprinkled with dark grey; a fulvous-ochreous subcostal line 
from near base to f, with a blackish dot. beneath its extremity; a fulvous- 
ochreous line along fold throughout, marked with two black dots, the second 
being plical stigma; discal stigmata black, approximated, first very obliquely 
beyond plical, surrounded or almost connected with fulvous-ochreous; short 
fulvous-ochreous streaks above each of these, and a slender irregular fulvous- 
ochreous streak near and parallel to termen : cilia whitish-grey, with two faint 
dark lines. Hindwings light bluish-grey; cilia whitish-ochreous-grey. 
