1G8 MR. CLAUDE MORLEY ON APlUf'AK 



headquarters in Afiica, and was erected by Forster (Verb. pr. 

 Rbeinl. 1868, p. 194), ibat bave ab-ea,dy been recorded by Kriecb- 

 bauuier and myself, I can now add a tbird. 



1. OBSCURATOR, sp. 11. 



A small, dull, blaclc female witb tbe tborax and petiole entire!}' 

 red. Head transverse and narrow behind eyes ; frons closely 

 punctate and apically trans-striate ; face finely trans- striate, 

 centrally elevated ; clypeus glabrous, broad, uneven, bifoveate, 

 apically emarginate and centrallj^ subreflexed ; labrum concealed, 

 mandibles slender and dull testaceous. Antenn?e elongate, slender, 

 apically attenuate, witb tbe basal joints elongate and centre 

 white banded. Thorax short and stout, closely and evenly 

 punctate, with deep notauli and dull speculum ; petiolar area 

 covering two-thirds of metathorax, discreted, its central area 

 deeply concave and ti-ans- striate ; areola proportionately short, 

 transverse-semilunate, not extending to the depressed base, 

 emitting weak costulpe from centre ; spiracles oval and oblique, 

 apophyses stout and ol)tuse. Scutellum red, convex, dull, closely 

 punctate, laterally mai-gined to nea,r apex. Abdomen ovate, 

 dull, very finely punctate; basal segment red and linear, abruptly 

 explanate at the black postpetiole, which is finely punctate- 

 a.cicula,te with its apical angles and those of the second segment 

 white-dotted ; gastrocoeli very small ; apex of fifth segment 

 iiaiTowly, of sixth broadly and whole of seventh, white; terebra 

 black, not exserted. Legs bla.ck and not short, the anterior 

 tibite and front femora mainly testaceous ; coxpe simple, claws 

 pectinate. Wings hyaline, stigma and nervures black ; areolet 

 broad above, nervelet distinct, basal nervure continuous through 

 the median. Length, 8 mm. 2 only, — The type occurred at 

 Mlanje on 26th May, 1913, in Nyasaland. 



Subtribus Platylabini. 



Platylabus. 



To my Table of the southern African species of this genus 

 (Ann. S. Afr. Mus. xvii. 8, 1917, p. 201) I am now enabled to 

 add a couple of very distinct species, and the alternate sex of 

 another. 



1. ATRICINCTUS, sp. n. 



A rufescent-testaceous species with profuse black markings, 

 and the setaceous flagellum pale banded. Head slightly broader 

 than tborax, and but little narrowed behind the strongly pro- 

 minent eyes ; ocelli and mandibular apices alone nigrescent ; face 

 and mouth flavidous, the former obsoletely punctate and not 

 discreted from the apically truncate clypeus ; labrum exserted, 

 lower mandibular tooth very small. Thorax dull, witb the 

 mesonotum shagreened and notauli distinct ; petiolar area,, post- 

 scutellum, and disc of frenum abruptly black ; areola as long as 



