32 



ANDEZyiD^. 



taceous ; the enclosed space at the base of the metathorax rugose. 

 Abdomen with a narrow pubescent fascia at the basal margins of 

 the second and third segments, and a slight one on the apical 

 margins of the two following segments : the anal rima margin with 

 pale fulvous pubescence. 



Hah. Hakodate. 



This species closely resembles H. alhipes of Europe. 



6. Halictus albo-zonatus. 



Female. Length 3^ lines. — Black : head and thorax very finely punc- 

 tured ; abdomen smooth and shining. The clypeus slightly pro- 

 duced, shining, and strongly punctured: the face with a thin 

 griseous pubescence ; the nagellum of the antennae fulvous beneath. 

 Thorax shining ; the postscutellum covered with white tomentum ; 

 the metathorax with coarse striae at the base, the rest smooth 

 and shining ; the legs rufo-testaceous. their pubescence white, 

 and the apical joints of the tarsi pale ferruginous ; wings hyaline 

 and iridescent, the nervures ferruginous. Abdomen with the basal 

 margins of the segments with snow-white pubescent fasciae. 



Hah. Punjab. 



7. Halictus torridus. 



Female. Length 6 lines. — Black, with the basal and apical margins 

 of the first and second segments of the abdomen ferruginous : the 

 apical margins of the following segments pale testaceous. Head 

 oblong, the clypeus much produced, shining, and strongly punc- 

 tured, the apex usually rufo-piceous : the sides of the face with 

 short pale fulvous pubescence ; the rlagellum bright fulvous towards 

 the apex beneath. Thorax with fulvous pubescence at the sides 

 and beneath, also on the legs, which are rufo-piceous : wings fulvo- 

 hyaline, their apical margins fuscous, the nervures ferruginous. 

 Abdomen with a thin pale pubescence, that on the apical segment 

 black. 



Hah. Xatal. 



8, Halictus niloticus. 



Female. Length 3 lines. — Bright green. The head wider than the 

 thorax, the vertex wide, rounded laterally, and emarginate behind ; 

 the antenna?, margin of the clypeus, and the mandibles yellow, the 

 latter ferruginous at their apex : the rlagellum pale fulvous 

 beneath. The femora rufo-piceous, the tibiae and tarsi pale yellow, 

 with a fuscous stain on the former beneath ; wings hyaline and 

 iridescent, the nervures and tesrulae vellow-testaceous. Abdomen 



