HYMENOPTERA. 157 



ruginous, the apical three black, their pubescence also black ; on 

 the basal segments it is fulvous, palest at the sides of the basal 

 segment ; the pollen-brush beneath is fulvous, darkest towards 

 the apex. 



The male is similarly coloured to the female, the antennae and 

 anterior legs simple, the tarsi rufo-testaceous, the apex of the 

 abdomen has two short blunt spines or tubercles. 

 Hab. The Gambia. (Kendall.) 



40. Megachile discolor, n. s. 



Female. Length 5 lines. — Black, the face, cheeks and man- 

 dibles covered with griseous pubescence ; the vertex, margin of 

 the clypeus, and apex of the mandibles have a fulvous pubescence, 

 the mandibles and labrum ciliated with long fulvous hairs. 

 Thorax, the disk reddish, strongly punctured and densely clothed 

 with short bright fulvous pubescence, on the sides and beneath 

 it is very sparing and of a dark brown colour ; the legs dark fer- 

 ruginous, the pubescence on the anterior and intermediate pairs 

 sootv-black, on the posterior pair it is griseous ; wings fusco- 

 hyaline, darkest at the base and along the anterior margin, te- 

 gulae rufo-testaceous. Abdomen convex above, thinly covered 

 with a short griseous pubescence, the basal margins of the seg- 

 ments having a band of the same colom- ; the pollen-brush very 

 j)ale yellow, nearly white. 

 Hab. The Gambia. (Coll. F. Smith.) 



41. Megachile ANGULATA, n. s. B.M. 



Female. Length 5^ hues. — Black, the face and cheeks co- 

 vered with snow-white pubescence, the mandibles veiy stout and 

 furnished with four stout teeth. Thorax naked on the disk, 

 which is closely and strongly punctured ; the sides covered with 

 snow-white pubescence, and on each side of the abdomen are 

 five angular patches of similarly coloured pubescence; wings 

 hyaline at the base and dark fuscous towards their apical margins, 

 having a violet iridescence ; the legs above have a griseous pu- 

 bescence. Abdomen elongate, rather strongly punctured, each 

 segment having in the middle a transverse depression; beneath, 

 the pollen-brush is black, having a bright fulvous line in the 

 centre not reaching the apex. 

 Hab. The Gambia. (Kendall.) 



42. Megachile maxillosa. B.M. 



Megachile maxillosa, Guer. Icon. Reg. Anim. p. 449 ; Voy. Abyss. 



{Lefeb.) vi. 363. 

 Hab. The Gambia. 



