HALICTUS. 33 



with the margins of the first and second segments constricted ; the 

 apical margins of the segments with pale fulvous fascia?. 



Hab. White Nile. 



9. Halictus albo-fasciatus. 



Female. Length 5 lines. — Black, pubescent; the first and three fol- 

 lowing abdominal segments with their apical margins white, not 

 pubescent. Head rotundate, the face thickly covered with pale 

 fulvous pubescence, that on the cheeks nearly white. The thorax 

 thickly clothed above with fulvous pubescence, on the sides and 

 beneath it is paler; the legs rufo-piceous, the tarsi and posterior tibia? 

 palest, clothed with short glittering pubescence ; wings subhyaline, 

 the nervures and tegulae rufo-testaceous. Abdomen smooth, slightly 

 shining, and with a thin scattered pale pubescence, that on the 

 apical segment black. 



Hab. South Africa, Burghersdorp. 



10. Halictus diversus. 



Female. Length 3f lines. — Black. The face and cheeks with thin cine- 

 reous pubescence ; the clypeus produced and strongly punctured, the 

 flagellum obscurely fulvous beneath. The mesothorax and scu- 

 tellum closely punctured ; the postscutellum with white tomen- 

 tum, also a little white tomentum at the insertion of the posterior 

 wings ; the wings subhyaline and iridescent, the tegulae and ner- 

 vures dark rufo-piceous ; the legs also dark rufo-piceous, the tarsi 

 pale ferruginous. Abdomen smooth and shining ; a band of white 

 tomentum at the basal margins of the second and three following 

 segments ; the apical segment with sooty black pubescence ; be- 

 neath, the segments fringed with pale pubescence. 



Hah. Port Natal. 



11. Halictus communis. 



Female. Length 4 lines. — Black, with the legs and abdomen rufo- 

 piceous. Head rotundate ; the clypeus very slightly produced ; the 

 sides of the face with a little hoary pubescence ; the flagellum ob- 

 scurely fulvous beneath, closely and finely punctured. The meso- 

 thorax, the scutellum, and postscutellum not so closely punctured 

 as the head ; the metathorax truncate, its base longitudinally 

 striated, the margin of the truncation smooth and shining ; the 

 wings hyaline and iridescent, the nervures and tegulae rufo-testa- 

 ceous. Abdomen oblong- ovate, shining, and finely punctured, the 

 extreme base impunctate ; the apical margins of the three basal 



i) 



