360 Annals of tlic South African Museum. 



abdominal segment, and the second is fringed with an interrupted 

 white band, which is wanting in M. liorrida. 



Hab. Zambesia (Salisbury). G. A. K. Marshall. 



MUTILLA IDIA. 



$ . Black, with the thorax red, abdomen with an apical silvery 

 white band fringing the first and second abdominal segments, and 

 very slightly interrupted in the centre, third segment with a very 

 short lateral band ; head deeply and closely pitted, moderately 

 truncate at base, a little rounded and ampliated laterally, eyes set 

 laterally, and reaching nearly but not quite the median part of the 

 sides ; it is clothed with a few long black bristles interspersed with 

 shorter greyish hairs, denser on the frontal part and on the basal 

 joint of antennae, and is about the same width as the apical part 

 of the thorax ; mandibles long, sharp, with the inner edge tri-sinuate ; 

 thorax somewhat semicircular in front, gradually ampliated from 

 the outer anterior angle to a short distance from the median part 

 where it is distinctly aculeate, and gradually narrowed from there to 

 the posterior declivity, which is quite perpendicular, and less than 

 half the width of the apical part ; the outer sides have three 

 serrations from the anterior angle to the aculeate tuberculated part, 

 and are moderately emarginate for a very short distance behind it ; 

 it is deeply and irregularly foveolate ; abdomen sub-sessile, first basal 

 joint with a distinct, sharp lateral spine on either side, and as broad 

 at apex as the base of the second segment which is one-fourth less 

 broad than long ; both are covered with very closely set elongate 

 punctures with the intervals slightly raised ; it is clothed with 

 greyish and black, moderately dense, hairs, and the second and third 

 segments have a conspicuous silky white pubescent ventral band ; 

 carina of first ventral segment laminate, aculeate at base; tibiae 

 clothed with densely set greyish-white hairs, spines on tibiae very 

 conspicuous. Length 13^ mm. 



Hab. Zambesia (? Salisbury). G. A. K. Marshall. 



The shape of the thorax approximates that of M. bauds, Per. ; 

 the species, however, is a very distinct one. 



MUTILLA CLYTEMNESTRA, 



Plate VIII., fig. 9. 



$ . Black, covered with greyish- white hairs very dense on the 

 cheeks, the frontal part of the head and the legs ; thorax red, first 



