142 
OZARBA. By M. Gaede. 
bicoloria. 
ilUmilaia. 
socoirana. 
roscscens. 
isocninpia. 
ciipreofas- 
cta. 
phacoeroa. 
ncpJiroleu- 
ca. 
niijroviri- 
dis. 
cinerca. 
cryptnchry- 
sea. 
angle, inwardly in the subniedian fold, its interior edge bordered with brown. A black dot at the cross-vein. 
Exterior line very indistinct, dark, notched, sharply bent inwards below the cell and nearing the median line. 
Sidjjnarginal line brown, nndrdate. A brown spot at the costal margin extends to the exterior line. Hindvdng 
of ^ light grey, of $ brown. 20—22 mm. South and East Africa. 
0. bicoloria Gaede (14 b). Body and forewing at the base ochreous. Median line dark red-brown, obli¬ 
quely inwards at the costal margin, then vertical to the inner margin. A few dark spots before it at the costal 
margin. The marginal area behind it red-brown with a band that is slightly dusted grey, beginning at the costal 
margin close behind the median line and extending to the anal angle. Hindwing greyish brown, lighter at the 
base, cj 1C mm. South-West Africa. 
0. illimitata Warr. (14 b). Forewing dull orange in the basal half, the distal margin indistinct, excurved 
in the middle. Traces of an interior line extending obliquely inwards. Exterior half of the wing violettish-brown. 
A dark sidnnarginal line is slightly excurved in the middle. Hindwing brownish. $ 13 mm. Zululand. 
0. socotrana Hmps. Body and forewing pale reddish yellow. Interior line dark brown, straight, undu¬ 
late, double. Median line vertical, slightly excurved above the inner margin, a red-brown shadow behind it 
extends at the inner margin to the exterior line which is white, bent very much S-like, edged darker brown. 
Sidjinarginal line pale, indistinct, a dark shadow before it at the costal margin. Hindwing light brown, lighter 
at the base. cJ mm. Sokotra. 
0. rosescens Hmps. (14 c). Thorax and forewing greyish-brown with a pink tinge on it. Interior line 
double, filled rvith white, edged white outside, somewhat obliquely inwards. Reniform macula large, edged light, 
strangidated in the jniddle, a light streak through its centre to the margin. Exterior line double, filled with 
white, slightly S-shaped. Submarginal line white, straight, divided by fine white streaks on the veins. Hind¬ 
wing greyish-brown. 24 mm. Uganda, Ruwenzori. 
0. isocampta Hmps. (14 c). Thorax and basal area of forewing light red-brown. Interior line dordjle, 
whitish, almost straight. Median line vertical, dark red-brown which colour is also behind it from the costal 
margin obliqiiely outwards as far as the exterior line. Reniform macula indivStinct, edged white, narrow. Ex¬ 
terior line double, rvhite, bent behind the cell, then vertical to the inner margin. Submarginal line fine white, 
shortly excurved in the middle, mostly indiscernible. Marginal line strong, vhite. Hindwing pale red-brown. 
15—18 mm. South and East Africa. 
0. cupreofascia Le Cerf (= apicalis Le Cerj). Forewing reddish brown, with a yellowish-brown post¬ 
median band and a similar spot before the apex. The light band is bordered inside by a distinct black line with 
2 little outward angles, above and below the cell. The exterior border-line is finely black, extra-angular below 
the costal margin, then vertical to the inner margin, bordered basally with a somewhat darker brown than the 
median area which contains a Idack streak at the cross-vein. Distal margin narrowly dark brown. Hindwing 
greyish-brown. $ 20 mm. East Africa. 
0. phaeocroa Hmps. (14 d). Body and wings dark brown. Interior line of forewing double, black, filled 
with grey, somewhat oblique. Reniforni maeida edged grey, strangulated in the middle. Exterior line dark, 
doidde, filled with grey, far outwards below the costal margin, obliquely inwards below the cell. Submarginal 
line whitish, very near to the distal margin. Hindwing without markings. ^ 25 mm. Congo District. 
0. nephroleuca Hmps. (14 d). Body and forewing dark red-brown. Interior line dark, doiible, excurved 
in the middle. A faded dark median line, extra-angular at the lower edge of the cell. A round white, black- 
edged, spot at the cross-vein. Exterior line black, indistinct, far excurved behind the cell, then undrdately in¬ 
wards. No submarginal line. Hindwing somewhat lighter. 24 mm. Madagascar. 
0. nigroviridis Hmps. (14 d). Body greyish-brown. Forewing green as far as the exterior line and nar¬ 
rowly behind it at the costal margin, the rest of the marginal area dark brown. Interior line mostly only indi¬ 
cated by a black dot at the costal margin. Reniforjn maciila small, edged dark brown, luniform, touching the 
exterior line below. The latter somewhat inwards below the macula, then vertical to the inner margin, with 
a few light scales. Traces of a dark submarginal line. Hindwing greyish-brown. 18—22 mm. South and 
East Africa. 
0. cinerea Auriv. (14 d). Thorax and forewing brownish grey. Interior line double, blackish, vertical. 
Median line extinct, somewhat extra-angular at the lower cell-angle. Reniform macula finely edged with brown, 
with 2 black dots outside. Exterior line double, black, dentate, its interior branch below the cell forming the 
median line. Submarginal line browm, notched, concave behind the cell and in the submarginal fold. Hind- 
wdng orange, greyer at the margin. 20 mm. Damaraland. 
0. cryptochrysea Hmps. (14 d). Body aird forewing reddish brown. Interior line almost vertical, black, 
a more faded black line before it. Darker behind it, narrow'er at the costal margin, broader at the inner margin, 
occupying almost half of the median area. Traces of a black streak at the cross-vein. Exterior line black, 
obliquely outwards as far as vein 4, wliere it is bent and vertical to the inner jnargin, slightly doubled, inside. 
Two black spots behind the cell and one between them at the submarginal line. Distal margin uniformly 
narrow darker reddish-brow'n behind the submarginal line. Hijidwdng orange with black median line 
