174 Descrijjtive Catalogue [1896. 



Synopsis of Sjjecies. 



Elytra black, without any discoidal yellow patch. 



A narrow postical yellow margin fastigiatus, Halteri daviara. 



A humeral yellow patch on each side, and a 

 narrow yellowish outer margin Drcgei. 



Elytra with basal and discoidal yellow patches. 



No yellow outer margin ; thorax marginated 

 with black Bohcmani. 



Thorax not marginated with black Planti. 



Thorax not marginated with black ; patch very 

 small angolensis. 



A yellow outer margin ; basal and discoidal 

 patches very small, the latter disconnected from 

 the outer margin cajjcnsis, laetus. 



Discoidal patch broad, and connected with the 

 outer margin transvaalensis. 



Elytra with a discoidal yellow patch, but no 

 basal one, costse much raised and very narrow . . viashunus. 



Pheropsophus fastigiatus, Linn., 

 Mus. Ludov. Ulr., 1764, p. 97; Oliv., Entom., iii., 35, p. 63, 



pi. 8, fig. 93. 



P. nigripennis, Fabric, Syst. Eleut., i., p. 218. 



Head, prothorax, antennae, and legs brick-red ; elytra black ; head 

 slightly punctulated at the base, with a few strigae on each side of 

 the eyes ; prothorax very smooth, broader in front than behind ; 

 scutellum reddish at the base, infuscated at the apex ; elytra a 

 little broader than the prothorax at the base, gradually ampliated 

 from the shoulder to the apex, where they are nearly twice as broad, 

 costate, with the costae smooth and much raised and the intervals 

 very closely aciculate, black, shining, with the apical margin very 

 slightly marginate with pale yellow, the yellowish band ascending 

 a little the sutural part ; under side black, with the pectus more or 

 less reddish. Length " 16-18 mm. ; width 6^-8 mm. 



Hab. Cape Colony (Cape Towm, Ceres, Worcester). 



Var. Halteri. 



Aptinus Halteri, Chaud., Bull. Mosc, 1837, iii., p. 214. 



Size and colouring of the P. fastigiatus, but the red of head and 

 prothorax is a little lighter ; the prothorax has sometimes a very 

 narrow black outer margin ; the elytra are a little less ampliated 

 behind, and the postical yellow margin is better defined. Length 

 17-18 mm. ; width 7 mm. 



Very closely allied, if not identical with the preceding species. 



Hab. Transvaal (Kustenburg), Mozambique, teste Chaud. 



* The measurement of specimens of that tribe is taken from the apical part of 

 the head to the apical part of the suture. 



