﻿162 Annals of the South African Museum. 



and tibiae ; front coxae yellowish-haired ; front pair not much 

 abbreviated, with smooth tibiae and short pubescent tarsi ; claw^s 

 black, Avith an acute basal tooth. Wings greyish hyaline with a 

 narrowly luteous base, and a dark luteous fore border to the end of the 

 axillary vein not extending below over the 4th longitudinal vein ; 

 cross-veins bordered with fuscous ; basal hook reddish brown ; basal 

 comb reddish, with black bristles and yellowish dust. Second longi- 

 tudinal vein with an almost indistinct terminal loop ; marginal cross- 

 vein straight and almost perpendicular ; 1st posterior cell less 

 narrowed at end, being more than twice as broad as the anal cell at 

 end ; 2nd much shorter and narrower than the third, this last 

 considerably shorter than the 4th at the base. Discal ci'oss-vein placed 

 considerably before the middle of the discoidal cell ; this last cell 

 short and as broad at the base as at the end, very truncate outwardly, 

 its terminal vein being perfectly straight, short and perpendicular, 

 one third the length of the other vein. Alula yellowish, with greyish 

 fringe ; axillary lobe rather broad, but elongate. 



L. Gkoup stupida. 



ExoPKOSOPA (Exoprosopa) pakvicellula, sp. nov., ? . 



A smallish species very like stupida, with metallic scales on head 

 and body, but distinguishable by the wings being less vitreous and 

 having a different venation. 



Type Î . A single not Avell-preserved specimen from Inhambane, 

 Mozambique (K. H. Barnard). 



Length of body 8 mm. ; of a wing 7 mm. Head entirely shining 

 black, with only the entire mouth borders and the genae yelloAv ; 

 occiput entirely clothed with metallic shining scales, which are denser 

 near the rather deep indentation of eyes and on the lower part of the eye- 

 borders ; central fringe wdiitish ; postvertical furrow deej?, broadening ' 

 behind ; f rons gently convex, }- of the head at the vertex, with black, erect 

 hairs and metallic scales in front above the antennae. Face conically 

 prominent, but convex above and obtuse at end, Avith dense metallic 

 scales and short black hairs. Antennae entirely black ; first joint 

 short and black-haired ; third broad at base, but quickly constricted 

 into a long and thick styliform part without distinct style at end ; 

 palpi and proboscis black, this last a little projecting. Thorax entii'ely 

 black ; it seems to be clothed Avith metallic scales which are denser 

 near the sides ; collar entirely Avhitish, like the longer hairs of the 

 sides ; bristles black, pleurae Avith entirely white hairs, even the meta- 

 pleural tuft ; sternopleui'a densely clothed by broad white scales. 



