iUO Transactions of the South African Philosophical Society. 



smooth and shining ; the face and clypeus with faint purple tints ; 

 the latter fringed with golden hair. Tegulae piceous. Legs thickly 

 covered with long, white hair. Ventral hair long and white. Anal 

 rima rufo-testaceous like the rest of the segment, smooth, with an 

 impressed line down the centre. 



Halictus interstitinervis, sp. now 



Black ; the hair and pubescence dense and white except on the 

 under side of the tarsi where it is bright red ; anal rima fuscous in 

 the centre ; wings clear hyaline, the stigma fuscous, the nervures 

 black ; the first recurrent nervure interstitial. $ . 



Length 6-7 mm. 



Cape Colony. Stellenbosch. 



Antennae brownish beneath towards the apex. Clypeus shining, 

 distinctly punctured, the punctures large and clearly separated ; the 

 centre of the face raised, minutely punctured ; the front and vertex 

 closely and finely punctured. Mandibles shining, black. Meso- 

 notum and scutellum closely, distinctly, finely punctured ; the basal 

 half of the former with a distinct, clearly defined furrow in the 

 centre ; the post- scutellum thickly covered with griseous hair. 

 Metanotal area irregularly striated to near the apex ; the striae in 

 the middle forming almost reticulations. Pleurae alutaceous. The 

 second and third cubital cellules in front are almost equal in length ; 

 the third transverse cubital nervure roundly curved ; the first recur- 

 rent nervure interstitial ; the second received in the apical fourth of 

 the cellule. Abdomen shining, closely, microscopically punctured ; 

 the base of the segments with a band of greyish powdery pubescence ; 

 above it is almost without hair ; the ventral scopa clear white. 



Halictus lippani, sp. nov. 



Black, the Hind knees and tarsi white, the apical tarsal joints 

 tinged with fulvous ; the apex of clypeus broadly pale lemon-yellow ; 

 fiagellum of antennae dark brownish beneath ; the head in front and 

 pleurae thickly covered with white pubescence ; wings hyaline, the 

 nervures and stigma black. $ . 



Length 7 mm. 



Cape Colony. Grahamstown. (Glen Lynden, January.) 



Face closely, the clypeus more strongly and sparsely punctured ; 

 the front and vertex more closely and rugosely punctured except 

 below the ocelli. Base of mandibles yellow 7 . Pro- and meso-notum 

 closely, strongly punctured ; an impressed line on the basal half of 

 the latter ; the pleurae closely rugose. Metanotal area in the centre 



