180 HYMENOPTERA. 



Male. Closely resembling the female, the coxae armed with 

 short teeth, the anterior tarsi simple, rufo-testaceous ; the mar- 

 gin of the apical segment of the abdomen notched in the middle. 

 Hab. Northern India. 



104. MEGACHILE ALBIFRONS, n. s. B.M. 



Female. Length 6 lines. Black, the face densely covered 

 with white pubescence, the cheeks thinly covered with the same. 

 Thorax, the sides covered with white pubescence, the apical half 

 of the wings dark fuscous, the basal half subhyaline ; the ante- 

 rior legs have a fuscous pubescence intermixed with a few white 

 hairs ; the intermediate and posterior legs have a thin white pu- 

 bescence, the tarsi beneath fuscous, the claws ferruginous, their 

 tips black. Abdomen slightly metallic, on each side of the basal 

 segment is a square patch of white pubescence, and the follow- 

 ing segments have on each side an oblong patch pointed within ; 

 sometimes the bands are continuous on the fourth and fifth 

 segments ; the pollen-brush is snow-white. 



Male. Closely resembling the female ; the anterior tarsi 

 simple, rufo-testaceous ; the coxae armed with short obtuse teeth ; 

 all the tarsi have a loose fringe of pale pubescence, the claws 

 ferruginous, their tips black ; the tarsi pale fulvous beneath. 

 Abdomen elongate and slightly metallic, the segments banded 

 with w r hite pubescence, on the third, fourth and fifth continued 

 beneath the abdomen; the apical segment vertical, having an 

 elevated carina in the middle, its margin rounded and furnished 

 with six or eight obtuse teeth. 

 Hab. Northern India. 



105. MEGACHILE VELUTINA, n. s. 



Female. Length 8 lines. Black, the face, thorax, legs and 

 two basal segments of the abdomen densely clothed with short 

 bright fulvous-red pubescence ; the base of the clypeus marginate 

 and having a raised carina down the centre ; the wings sub- 

 hyaline, yellowish, and faintly clouded at their apical margins ; 

 the tegulse and nervures pale rufo-testaceous; the four apical 

 segments of the abdomen black ; on the abdomen beneath, the 

 pollen-brush is fulvous in the middle and black at the sides. 

 Hab. Northern India. (Coll. J. S. Baly, Esq.) 



106. MEGACHILE FASCICULATA, n. s. 



Male. Length 6J lines. Black, the face densely covered 

 with a golden-yellow pubescence ; on the cheeks and mandibles 



