142 HYMENOPTERA. 



47. OSMIA SPINIGERA. 



Osraia sj)inijrera, Latr. Enc. Meth. viii. 584. 18. 

 Hab. Egyj)t. 



48. OSMIA FERVIDA. B.M. 



Male. Length 4 lines. — Black, the face below the insertion 

 of the antennic clothed with jiale fnlvous pubescence, that on 

 the vertex and on tlie disk of the thorax is black ; the cheeks, 

 thorax beneath and the legs have a short griseous pubescence ; 

 the apical joints of the tarsi ferruginous ; wings fusco-hvaline, 

 the nervures black. The abdomen above densely clothed with 

 short fulvous pubescence ; the margin of the apical segment 

 entire. 

 Hab. Port Natal. 



49. OSMIA FRIGIDA. B.M. 



Female. Length 5 lines. — Black, the head has an ochraceous 

 pubescence, which is dense on the face, and sparing on the cheeks 

 and vertex. Thorax, the disk thickly clothed with ochraceous 

 pubescence, the femora have a thin fringe beneath of the same co- 

 lour, on the tibiae and tarsi it is fuscous ; wings subhyaline, their 

 apical margins faintly clouded ; the two basal segments of the 

 abdomen thinly clothed with ochraceous pubescence ; on the 

 third, fourth and fifth it is black ; the apical segment covered with 

 very short ochraceous pubescence ; beneath it is dense and black. 



Male. Length 3-4 lines. — The elypeus covered with long 

 white pubescence, on the vertex and disk of the thorax it is long, 

 thin, and pale ochraceous ; the base of the abdomen has a little 

 scattered long pale pubescence, otherwise it is short, sparing and 

 fuscous ; the margin of the fifth segment fringed with brown 

 pubescence ; the sixth segment has down the middle a shallow 

 longitudinal channel ; the apical margin entire. 

 Hab. Hudson's Bay. 



50. OSMIA SIMILLIMA. 



Female. Length 4i lines. — Steel-blue, head as wide as the 

 thorax, the face, sides of the thorax and abdomen thinly covered 

 with griseous pubescence, the entire insect closely and rather 

 strongly punctured ; the wings subhyaline, their apical margins 

 faintly clouded ; the legs have a griseous pubescence, that on the 

 tarsi beneath brown ; the abdomen beneath densely clothed with 

 black pubescence. 



Male. Length 4 lines. — Head and thorax of a bronzed green, 

 abdomen blue ; the antennae a little longer than the head and 



