102 
AMSACTA. By M. Gaede. 
bicoloria. A. bicoloria Gaede (= stygioides Rothsch.) (14 e) is quite different. The whole body is orange-yellow, 
abdomen with or without black dorsal dots. Forewing very narrow, orange-brownish, in the proximal area 
somewhat diaphanous. Hindwing blackish, in the proximal area very hyaline. 26 mm. Adamaua, Niger. 
5. Genus: Amsacta Wkr. 
Separated from Acantharctia by the absence of the horny plate on the head. Neuration and spurs are 
the same. Excepting the first two species, of a rather strong structure. As to this genus cf. Vol. II, p. 89, and 
Vol. X, p. 251. Type: marginalis Wkr. 
A. Antennae of the $ long-combed, forewing broad. 
marginalis. A. marginalis Wkr. (14 f). Head orange, thorax brownish. Abdomen orange with black segmental 
margins. Forewing dark reddish-brown. Costal margin and hind-margin narrowly orange. Hindwing blackish- 
fuscosa. brown. Fringes at the anal angle orange. — fuscosa Brtl. has the wings centrally somewhat hyaline. Fringes 
of both wings quite orange. Costal margin and hind-margin not orange. 28 mm. Togo, Sierra Leone. 
flavicostata. A. flavicostata Gaede (14 f). Head and thorax brownish-black. Abdomen orange with black dorsal 
spots, beneath black. Forewing and fringe brownish-black, costal margin orange. Hindwing smoky brown, 
baumanni. at the base lighter. — baumanni Gaede has an almost white hindwing, only at the apex it is yet brownish. 28 mm. 
Togo, Cameroon. 
Forewing somewhat less broad, veins lighter. 
A. melanogastra Holl. (= occidentalis Brtl., epicast.e Fawc.) (14 f). Thorax dark brown; abdomen 
orange, above almost entirely black. Forewing dark brown, costal margin and veins pale yellow. Hindwing 
whitish-yellow (<$) or orange ($). 40 to 45 mm. East Africa, South West Africa. — Maenas jeskei Grunb. is 
probably the same species. 
A. nigrisignata Gaede (14 g). Head and thorax pale red-brown, tegulae with a black streak, abdomen 
pale brown. Forewing at the costal margin, hindmargin, veins and fringes pale reddish-brown. Veins edged 
with white. The cell and all the spaces between the veins are black. Hindwing brownish white, with a black 
central dot. In a specimen from East Africa the hindwing is entirely pink. 35 mm. Adis Abeba. 
A. wintgensi Strd. (= postalbicla Rbl., nigrilinea Joic.) (14 f) is somewhat lighter than the two prece¬ 
ding species. Head, tegulae, patagia, and forewing pale ochreous. Thorax and abdomen white, above orange. 
On the forewing the subcostal vein is slightly margined with black, more intensely so the median vein and 
veins 2 to 4, the most vein 1. More feebly, however, veins 3 to 10 before the margin. Hindwing purely white. 
46 mm. East Africa. 
The following species are more or less white. 
A. grammiphlebia Hmps. (14 h). Head orange, thorax pale yellow. Abdomen orange, broadly margined 
phlebia. w q,h black. Wings yellowish-white. Forewing with black veins. Hindwing at the hind-margin orange. 50 mm. 
Mashona Land. 
bivittata. A. bivittata Btlr. (13 i). Head orange, thorax brown with a black streak. Abdomen above orange 
with black margins. Forewing white, at the costal margin brown. A blackish-brown radial streak in the cell 
and one at the end of vein 6. Hindwing of a pure white. 32 mm. East Africa. 
flavicosta. A. flavicosta Hmps. (14 h). White. On the head somewhat yellow. Abdomen with subdorsal yellow 
lines and black lateral dots. Forewing at the costal margin finely yellow; a distinct black dot on the cross¬ 
vein. Hindwing somewhat hyaline. 30 mm. Sierra Leone, Rhodesia. 
nivea. A. nivea Hmps. (15 a). Wings the same, but abdomen above orange with black dorsal and lateral 
dots. 28 mm. Transvaal. 
jlavizonata. A. flavizonata Hmps. (14 h). Body white. Abdomen above in the centre yellow with black lateral 
dots. Wings white. Forewing at the costal margin yellow. Proximal line composed of some black dots. Distal 
line S-shaped, likewise formed of black dots. Besides dots at the cross-vein and before the distal margin. The 
number of dots is variable. 32 mm. Niger. 
ugandae. A. ugandae Hmps. (14 h) is white. Abdomen above in the centre orange with white dorsal spots and 
black lateral dots. Forewing white, at the costal margin finely yellow. An indistinct proximal and distal row 
of black dots and some before the margin. 42 mm. Uganda. 
mombasana. A. mombasana Rothsch. (14 h). Creamy white. Abdomen above orange with a black dorsal line. 
Forewing creamy white with few black dots at the costal margin. Hindwing with some spots before the distal 
margin. 50 mm. East Africa. 
atricrures. A. atricrures Hmps. (15 a). Pale brown. Abdomen above somewhat orange with black dorsal dots. 
Forewing pale brown with black dots at the costal margin before and behind the centre and also at the centre 
of the hind-margin. Hindwing orange-yellow. 34 mm. East Africa. 
melano¬ 
gastra. 
nigrisigna¬ 
ta. 
wintgensi. 
grammi- 
