238 Transactions of the South African Philosophical Society. 



The hair on the legs is white ; on the lower side of the tarsi pale 

 golden. 



The apex of the metanotum has an oblique slope ; the reddish 

 second and third abdominal segments are almost bare ; the sternum 

 thickly covered with long, white hair ; the ventral segments are 

 transverse at the apex ; the last is broadly, bluntly rounded at the 

 apex, with the sides slightly obliquely narrowed. 



Halictus lampronotus, sp. nov. 



Black, shining, impunctate except on the metanotal area which is 

 finely and closely punctured ; tegulae piceous behind ; under side 

 of flagellum brownish ; mandibles piceous towards the apex ; wings 

 clear hyaline, the stigma and nervures fuscous, the second and third 

 transverse cubital and the recurrent nervures paler. Apices of the 

 abdominal segments piceous, the anal rima rufous, the end of the 

 segment pale fulvous. $ . 



Length 4 mm. 



Cape Colony. Pearston. 



Front and vertex closely, microscopically punctured ; the face and 

 clypeus very smooth and shining ; the face not projecting much in 

 the centre and not clearly separated from the clypeus. Eyes slightly 

 converging above. Abdomen very smooth and shining ; the ventral 

 fringe white ; the segments not depressed. Hind tarsi piceous. 

 Third cubital cellule in front about one-quarter longer than the 

 second ; the third transverse cubital nervure is almost straight below, 

 the upper part roundly curved towards the stigma ; the first recur- 

 rent nervure is received near the apex of the cellule, clearly 

 separated from the transverse cubital ; the second near the base of 

 the apical third of the cellule. 



Halictus thestis, sp. nov. 



Black, shining, covered with white pubescence ; the apex of 

 clypeus pale lemon-yellow ; the labrum, knees, and tarsi whitish 

 testaceous ; the scape of antennae and upper side of flagellum black, 

 the rest of flagellum brown ; wings clear hyaline, the stigma fuscous, 

 the nervures black. $ . 



Length 4 mm. 



Cape Colony. Stellenbosch. 



Face and clypeus closely punctured, thickly covered with white 

 pubescence ; the face raised in the centre ; the front and vertex 

 opaque, granular ; sparsely pilose ; the outer orbits thickly covered 

 with white hair. Mandibles yellow, their apex piceous. Thorax 



