54 HYMENOPTERA. 



cence ; the flagellum beneath fulvous towards the base. The 

 thorax covered with fulvous pubescence, most thinly so on the 

 disk ; wings subhyaline, nervures testaceous, the stigma palest, 

 the second submarginal cell quadrate ; the tibiae and tarsi, as well 

 as the femora beneath, fulvous. Abdomen elongate, the apical 

 margins of the segments having a band of white pubescence, the 

 first interrupted ; at the apex a few long fulvous hairs. 

 Hob. Africa. 



59. HALICTUS TERMINALIS, n. s. B.M. 



Female. Length 2i lines. Black, head and thorax very 

 closely and finely punctured, the antennae rufo-testaceous be- 

 neath. Thorax, the sides and beneath have a thin griseous 

 pubescence ; the enclosed space at the base of the metatho- 

 rax finely reticulate ; wings hyaline, iridescent, the tegulse and 

 nervures very pale testaceous ; the tarsi ferruginous, their pu- 

 bescence fulvous. Abdomen ovate, smooth and shining, having 

 a thin griseous pubescence towards the apex, which is bright 

 ferruginous at the sides of the anal rima. 

 Hob. South Africa. 



60. HALICTUS RUFO-MARGINATUS, n. s. B.M. 



Female. Length 4 lines. Black, the head and thorax closely 

 and strongly punctured, the clypeus shining, coarsely punctured, 

 the flagellum testaceous beneath towards the apex, a little pale 

 fulvous pubescence on the face. The thorax thickly covered with 

 pale fulvous pubescence, most sparing on the disk -, the tegulae 

 nigro-piceous ; wings subhyaline, iridescent, the nervures pale 

 ferruginous. Abdomen ovate, closely and finely punctured, the 

 apical margins of the first and second segments smooth and 

 shining, the first bright rufo-piceous, the second piceous ; the 

 base of the second and third segments depressed and covered 

 with a short white dense pubescence. 

 Hab. South Africa. 



61. HALICTUS IRIDIPENNIS, n. s. B.M. 



Male. Length 2^ lines. Black, head and thorax very finely 

 and very closely punctured, the apex of the clypeus, the labrum 

 and tips of the mandibles yellow, flagellum beneath fulvous. 

 Thorax, the base of the metathorax coarsely sculptured, not en- 

 closed ; the post-scutellum covered with white pubescence, also 

 a patch on each side behind the wings ; the tegulae pale testa- 

 ceous, the wings splendidly iridescent, nervures ferruginous ; 

 the knees and the tarsi pale ferruginous. Abdomen shining, 

 margins slightly depressed, at the basal margin of the second 



