42 Annals of the South African Museum. 



d 6 . Band interrupted in the centre. 



? Thorax long and slender, a little attenuate at both ends, 

 deeply incised laterally towards the median part, both ends of 

 incision tuberculate | 



<? Black ; abdomen with a lateral white band broadly interrupted \-themis. 

 in the middle on all segments but the first, the bands on second | 

 segment invading it all round, and leaving only one hexagonal, 

 denuded, central patch ' 



? Thorax long, sloping on each side at apex, straight laterally, 

 striolate persephone. 



Thorax short, truncate at apex, straight laterally, slightly tuber- 

 culate along the upper edge of the declivity calypso. 



&. Third and fourth segments banded, bands interrupted in the middle. 

 Thorax long, sloping on each side at apex, straight laterally . . penclope. 

 d 4 . Two lateral patches on second, third, and fourth segments 



Thorax ampliated laterally from apex to base and enaarginate 

 laterally for half the length, a lateral patch on the third and fourth 

 segments disconnected from the outer margin thyas. 



b l . Head broader than the thorax. 



c 1 . With antennal tubercles. 



rfs. Bands not interrupted, third abdominal segment banded. 



Head very large, thorax as broad at base as at apex but sinuate 

 laterally ino. 



Third and fourth abdominal segments banded ; head moderately 

 large, rounded behind ; thorax with anterior angles projecting, 

 eniarginate laterally but as broad at base as at apex acrisione. 



d-. Third, fourth, and fifth abdominal segments banded. 



Head very large, base deeply ernarginate ; thorax parallel, short. . niobe. 



Head very large, base not emarginate ; thorax moderately long 

 with the anterior angles very sharp and projecting, median part 

 sinuate laterally bcllona. 



Head very large, base slightly emarginate ; thorax aculeate 

 laterally in the anterior part, short, narrowly incised laterally in 

 the middle pasipliae. 



d 1 . All five posterior abdominal segments banded. 



Head very large, truncate at base ; thorax short, parallel, spots in 

 the second segment transverse and nearly contiguoiis in the centre perse. 



d~. Basal segment of abdomen with a median apical spot, second 

 one with an apical spot, bauds or spots on the other segments, no 

 antenna] tubercle. 



