374 Annals of the South African Museum. 



A 2 . AN INTERRUPTED WHITE BAND ON THIRD SEGMENT, NO VENTRAL 

 CARINA ON SECOND SEGMENT. 



Pro- and mesothorax and scutellum red tomyris. 



Mesothorax and scutellurn red dido. 



A 1 . AN INTERRUPTED WHITE BAND ON SECOND AND THIRD SEGMENTS. 



as. Thorax wholly red. 



Second abdominal segment with a ventral carina, metathorax very 

 angular laterally behind clymeneis. 



Second abdominal segment without a ventral carina, metathorax 

 not projecting behind eunomia. 



a-. Pro- and mesothorax red, metathorax black. 



Second abdominal segment with a conspicuous erect tooth . . . . erinnys. 



Second abdominal segment without tooth or carina cleopatra 



a 1 . Mesothorax and scutellum red. 



Second abdominal segment without carina angulata. 



MUTILLA DIDO. 



$ . Black, with the mesothorax and the tegulae somewhat dark 

 red, clothed with moderately dense black hairs somewhat greyish on 

 the declivity of the metathorax ; first abdominal segment with a 

 lateral silky white patch, third segment with a band of the same 

 pubescence distinctly interrupted in the centre ; head more than 

 twice as broad as long on the vertex, sides straight, eyes large, 

 deeply emarginate and reaching the median part of the sides, it is 

 very closely foveolato-punctate ; thorax closely foveolato-punctate 

 with the metathorax scrobiculate, mesothorax without any groove, 

 scutellum as in the three preceding species, tegulae dark red, wings 

 fumose, a little darker on the anterior margin of the fore-wings ; 

 metathorax abruptly declivous behind, with the margin of the outer 

 sides sharp and the posterior angle also sharp, but not projecting ; 

 abdomen nearly sessile, basal joint of abdomen sharply dentate on 

 each side at base, ampliate'd from there, not quite so broad at apex as 

 the base of the second joint, which is one-fourth longer than broad 

 and covered like the first with closely set, deep, elongate punctures 

 separated by irregular, wavy, not much raised carinae, ventral carina 



