Some Neiu Genera and Species of Hymenoptera. 237 



covered with long cinereous pubescence ; the base and apex of the 

 second to fourth dorsal abdominal segments with a band of cinereous 

 pile ; the wings clear hyaline, the stigma and nervures dark 

 testaceous ; the tarsi ferruginous below, cinereous above ; the knees 

 and apex of tibial rufo-piceous ; metanotal area rugosely punctured 

 in the centre, the sides closely, finely reticulated. ? . 



Length nearly 8 mm. 



Cape Colony. Pearston. 



Face projecting roundly in the centre, finely and closely 

 punctured ; the clypeus shining, sparsely punctured on the basal 

 two- thirds. Front and vertex opaque, alutaceous. Mandibles 

 broadly rufous in the middle ; they are, as is also the labrum, 

 fringed with long, golden hair, the hair on the hinder edge of the 

 vertex being also tinged with golden. The nagellum of antennae 

 dark rufous, black above. Mesonotum closely, uniformly, and some- 

 what strongly punctured, the scutellum as strongly, but not so 

 closely punctured. The apex of the metanotum has a steep slope ; 

 its centre above is depressed slightly, the sides broadly rounded on 

 either side of the central depression, the edges being smooth and 

 shining. Pleurae closely, finely rugose. Abdomen at the base closely 

 and distinctly punctured, the third and following segments only 

 indistinctly punctured ; they are not depressed ; the anal rima is 

 large and conspicuous ; the epipygium has a large tuft of rufous hair 

 on the apex. Tegulae piceous. 



Halictus peaestonensis, sp. nov. 



Black, shining ; the apex of the first and the greater part of the 

 second, third, and fourth abdominal segments rufous; the knees 

 and tarsi fuscous ; wings clear hyaline, the nervures and stigma 

 black. $ . 



Length 5 mm. 



Cape Colony. Pearston. 



Front, face, sides of clypeus and cheeks densely covered with long, 

 white pubescence ; the face closely punctured, the clypeus much 

 more strongly and sparsely punctured ; the front and vertex more 

 closely and less strongly punctured than the face. Pro- and meso- 

 notum shining, covered, but not thickly, with white pubescence ; 

 the post-scutellum thickly covered with fuscous pubescence ; the 

 metanotal area finely, closely rugosely punctured, the punctures 

 running into reticulations on the sides. Pleurae opaque, alutaceous, 

 obscurely striated. Abdomen smooth and shining ; the base, apex, 

 and ventral surface covered sparsely with long, white pubescence. 



