Piibl. 11. V. 1926. 
THYROSTICTA; DYSAUXES. By Dr. A. Seitz. 
49 
M. oberthiiri Rotlisch. (4g). Of the spots of the forewing there are hut indistinct traces left; the oberthuri. 
hindwing also lacks the central spot and it is cpiite dark brown except a minute light basal spot. 
M. simplex Btlr. (4 g). Forewing spotless; hindwing orange with a black margin; in the colouring simplex. 
it resembles Dysauxes servula. 
M. bicolor Rothsch. (4 g) is like simplex, but the ground-colour of the hindwing ist not orange but Ucolor. 
crimson. 
12. Genus: Thyrosticta limps. 
In the forewing vein 3 rises before the lower cell-angle; 4 and 5 from the latter; 6 rises below the 
upper cell-angle; subcostal vein with 4 branches. In the hindwing veins 4 and 5 are forked and 7 is absent. 
All the species are found in Madagascar. 
Th. contigua Saalm. (4g) is very similar to Stictonaclia myodes (4 f), but much smaller, at the base contigua 
of the forewing but 1 yellowish spot; besides separated by the veins. 
Th. butleri Mob. (= extensa Saalm.) (4h) is similar, larger, the black margin of the hindwing is 
much broader and indented towards the centre of the margin. — expallesceiis Saalm. ist without the black 
discoidal spot in the hindwing, and ab. distincta Saalm. has a more triangular subbasal spot in the forewing 
and the median band is below distally bent round. 
Th. agatha Oberth. (4 h )► The median spots of the forewing, instead of being united into a transverse agatha. 
band, are separated here. 
Th. quadrimacula Mob. ( = sylvicolens Btlr.) (4 h) has the median spots of the forewing united, for¬ 
ming a broad band, the distal spots being large and disk-shaped. — In ab. conflliens Oberth. (4 h) they are 
contiguous. -— In psrpslua Oberth. they are, on the contrary, reduced and more distantly separated, whereas 
holoxantha Zerny (4 li) are specimens with particularly large spots of the forewing. 
Th. luctuosa Oberth. (4 i) has the spots arranged in a very similar way as in trimacula Oberth. (4 i), luctuosa. 
but all the spots are diaphanous white, not yellow, those in the hindwing and in the median area of the 
forewing being also much smaller and therefore more separated. 
Th. moerens Oberth. (5 a) has also white instead of yellow spots, with one more spot than luctuosa moerens. 
above the base of the hind-margin; hindwing with a large composed spot at the base of the hind-margin. 
It is also allied to iollini. 
Th. frimacula Oberth. (4 i). In the forewing 4 whitish spots: 2 median ones, one of which is in the trimacula 
cell, the other ohne directly below it, and 2 distal ones. Hindwing with a large yolk-coloured median and 
irregular hindmarginal spot. Very similar to Dysauxes quinquemacula, but there the median spots of the 
forewing are more distantly separated. 
Th. miffllfa Bsd. of the 5 spots on the forewing the basal one and the lower median spot are orange, minuta. 
whereas the others are white hyaline. The species is much smaller than the others, the hindwing is orange, 
irregularly margined with black. 
Th. folllni Kef erst. All the spots are hyaline white; in the forewing 3, in the hindwing 2. Abdomen 
black. — In the form Eugens Oberth. (4 i) there is another small hyaline spot behind the centre of the hind- 
margin. 
butleri. 
expalles- 
cens. 
distincta. 
quadrima- 
cula. 
confluens. 
perpetua. 
holoxantha. 
tollini. 
higens. 
13. Genus: Wysaiixes Hbn. 
In Vol. II, p. 41, we have dealt at large with this genus which is often named Naclia Bsd. in litera¬ 
ture. Beside the 10 forms described from the palearctic region, which however only belong to 3 species, 
4 more species occur, all of which are Ethiopian. 
D. quinquemacula Mob. (= perroti Oberth.) (4 i) is coloured and marked almost exactly like Thy- quinquema- 
rost. trimacula, but the median spots of the forewing are somewhat differently arranged, and there is another 
large yellow spot is in the basal area. Madagascar. 
D. cambouel Oberth. (4 i) is like the preceding, the spots of the forewing above the centre of the hind- cambouei. 
margin and before the apex are very much smaller, and the whole distal half of the hindwing is dark 
brown. Tamatave (Madagascar). 
D. lucia Oberth. (= subfencstrata Am.) (5b) is much smaller than the preceding are; it is very lucia. 
much like Thyrost. agatha (4h), but at the base of the costal margin there is another small yellow spot; 
the other yellow spots of the forewing are also somewhat larger. Madagascar. 
D. florida Joan. (5 b) is as small as lucia, but the forewing is differently spotted, since there is a florida. 
postmedian row of 5 minute hyaline spots; hindwing orange, the costal area above the cell is blackish-brown, 
the dark marginal band proximally irregularly defined. Mauritius. 
XIV 
