38 Annals of the South African Museum. 



? Thorax very long, hexagonal, black with a large dorsal reddish 

 patch ; first and second abdominal segments with a small apical 

 white patch, second segment bright red, third segment clothed with 

 a pubescent band hardly interrupted in the centre ; tibiae with a 

 supra-apical spine eurydice. 



? Thorax long, angular laterally ; abdomen red with the apex of 

 the second segment, the third and fifth black, third and fourth 

 clothed with a white band, basal one with a central patch clana'e. 



A 1 . ABDOMINAL SEGMENTS WITHOUT WHITE BAND OB SPOT. 



(No female.) 



(FEMALES AND MALES.) 

 SECOND DIVISION. 



* 



C 2 . BASAL SEGMENT SUBSESSILE on SESSILE IN THE FEMALE AND 



IN THE MALE. 

 A 6 . No BAND OR SPOT ON THE ABDOMINAL SEGMENTS. 



? Light testaceous, covered with a short, dense flavescent 

 pubescence ; head and apical joints of antennae black ; thorax sub- 

 parallel polyxenc. 



A 5 . ABDOMINAL SEGMENTS WITH BANDS, BUT NO SPOT. 

 a 9 . The second abdominal segment with an interrupted band. 



a 8 . The two basal abdominal segments with a band, non-inter- 

 rupted. (No female.) 



? Head with three very distinct ocelli ; thorax truncate at apex, 

 much constricted laterally in the middle with the posterior part 

 produced triangularly on each side, disk with a sharp spine at about 

 the scutellary part crigone. 



? Thorax narrowing from apex to base, where it is one-fourth 

 narrower, anterior angles sharp, outer sides slightly sinuate at 

 about one-fourth of the length and having three sharp and very 

 distinct lateral spines from the median part to the top of the 

 declivity cvadne. 



a?. The three basal abdominal segments with a white band, non- 

 interrupted. 



b 2 . Bands straight. 



? Thorax parallel, not narrower at base than at apex, outer 

 sides with five short teeth, two of \vhich are formed by the 

 anterior and posterior angles, posterior part truncate perpendicu- 

 larly, top of the declivity with a sharp, short tooth on each side 

 and one in the middle, sides serrulate althcea. 



? Thorax a little sloping in the anterior part, and diagonally 

 attenuate from the anterior angle to the base, where it is narrowed 

 to about half the width, sides subserrate, not emarginate ; tibiae 

 spinose aids. 



