publ. 27. III. 1928. EPICERURA; PSEUDORETHONA; PARARETHONA. By M. Gaede. 
40 9 
European species are much smaller and exhibit quite a different scheme of markings, it is doubtful whether 
they belong to this genus. 
C. esmeralda Hmps. (69 b). Thorax greenish-white with black scales, abdomen white. Forewing green, esmeralda. 
Interior, median, and exterior lines black, strongly angular. The two first lines enclose a dark green area, before 
and behind them silvery white. The third line inside silvery white, outside dark green. Hindwing white, at 
the anal angle 2 black spots or in the $ a broad dark margin. 34—38 mm. Togo, Cameroon, Transvaal, Mashona 
Land. 
All the other species with a white ground-colour. 
C. leonensis Hmps. (= bifasciata Janse) (69 b). Thorax white with a black transverse band. Abdomen leoncnsis. 
above dusted with black, in the centre yellowish. Forewing with a black marking. Interior band posteriorly 
obliquely outward, inside and outside accompanied by a fine line, all of them interrupted. Exterior line double, 
strongly notched, proceeding from a spot at the costal margin. Hindwing white with a black spot at the anal 
angle. 50 mm. Sierra Leone, Togo, Transvaal. 
C. spiritalis Dist. (69 b). Similar to an intensely marked leonensis. On the forewing the interior and spiritalis. 
subterminal bands broad, deep black, united at the interior margin. Hindwing broadly margined with black, 
with a luna on the cross-vein. 46—58 mm. Transvaal. 
C. marshalli Hmps. Similar to spiritalis. Thorax also in the median line with black spots. Forewing marshalli. 
silvery white. In the subbasal area black dots. Interior band oblique, irregularly defined. Then at the costal 
margin in the middle a black dot, a stripe and another dot. The exterior line is marked by a black spot and 
two dots. A triangular spot at the interior margin near the anal angle. Hindwing white with a spot at vein 1. 
In the 9 Ike spots on the forewing somewhat larger. 46—60 mm. Mashona Land. 
C. argentina Sclmltze (69 c). In this species and the following one the base of the abdomen is above argentina. 
white in the d and $, whereas marshalli has only a few white hairs there. On the forewing the interior band 
is entirely broken up into few spots, and of the exterior band there are only 2 dots left between veins 4 and 6. 
45—65 mm. Southern Cameroon. 
C. canieroona B.-Bak. differs from argentina in the white abdomen and the absence of the black dots cameroona. 
on the thorax. Hindwing without black dots on the fringes, whilst in argentina they may be present. $ 60mm. 
Cameroon. 
C. swierstrae Dist. (69 c) is still less marked. Abdomen as in argentina. Forewing only with few black swiersirae. 
dots at the costal margin and near the anal angle. Hindwing with a black streak on the cross-vein. 45 mm 
(d). Transvaal. 
The latter three species may be merely forms of a single species. 
9. Genus: Epicerura B.-Bak. 
Palpi short, porrect. Antennae of d shortly pectinated and at the tips dentate. Fore wing triangular, 
broad; costal margin straight, curved at the apex; distal margin somewhat concave below vein 6. Veins 6 + 10 
+ 7 + 8+9 stalked. Hindwing small. Veins 3 and 4 from the lower angle, 6+7 stalked, vein 8, except at the 
base, close at the cell. 
E. tanda B.-Bak. Thorax dark grey, abdomen still darker. Forewing grey, particularly dark as far tandn. 
as the interior line. Exterior line incurved, before it at the costal margin a dark patch. Marginal area, paler 
with dark patches between the veins. Hindwing lustrous white. 42 mm. Angola. 
10. Genus: Pseudorethona Janse. 
Antennal shaft longer than in Cerura, with shorter pectinations. In the forewing vein 5 rises before 
the middle of the cross-vein, 6 from the end of the accessory cell, otherwise like Cerura. 
P. albicans Wkr. (69 c). Thorax greenish-grey, abdomen grey. Forewing greenish-white, at the base albicans. 
a black spot. Interior band dusted with black, on each side accompanied by a black line. Cross-vein with a 
black streak, inside and outside of which there is a transverse line. Behind it a strongly angled marginal line, 
outside bordered with brown in the anterior portion. Hindwing white, on the cross-vein and at the anal angle 
somewhat brown. 28—35 mm. Rhodesia, Transvaal, Natal. 
11. Genus: Pararethoiia Janse. 
Separated from Pseudorethona by vein 5 in the forewing branching off almost from the upper cell-angle. 
P. hierax Di-st. (= argentescens Hmps.) (69 c). Body blackish-grey, d forewing grey, dusted with a hicrax. 
darker colour, with a broad dark band near the base and a narrower one from near the apex over the cross- 
XIV 52 
