350 hymenoptera. 



29. Xylocopa flavo-rufa. B.M. 



Apis flavo-rufa, De Geer, Mem. vii. 605. t. 45. f. 1. 



Oliv. Encij. Meth. iv. 63. 3. 

 Xylocopa trepida, Fahr. Syst. Piez. p. 340. 10. 



Hab. South Africa (Port Natal). 



30. Xylocopa calens. B.M. 



Xylocopa calens, St. Farg. Hym. ii. 196. 40 $ . 

 Hab. Africa (Port Natal; Abyssinia); Madagascar. 



31. Xylocopa conjuncta. B.M. 



Male. Length 1 inch 3 lines. — Rufo-testaceous, the scape of 

 the antennae, as well as the flagellum in front, a spot on each 

 side of the vertex touching the eyes, the margins of the cly- 

 peus, and a line down the centre, a transverse line above, a hne 

 across at the base of the labrum, and a spot at the base of the 

 mandibles, yellow ; the entire insect has a short ochraceous pu- 

 bescence ; in parts, the pubescence has a fulvous tinge, as that 

 on the legs and at the apex of the abdomen ; the breast, the 

 femora, tibiae, coxae and trochanters nigro-piceous ; wings fulvo- 

 hyaline, the nervures ferruginous ; the abdomen beneath has on 

 each segment a broad yellow stripe. 



Hab. South Africa. 



32. Xylocopa combusta. B.M. 



Female. Length 13 lines. — Black, the clypeus having the 

 margins a little raised, smooth and shining, also a central smooth 

 line, forming a trident ; from the base of the clypeus a smooth 

 raised line passes upwards and encloses the anterior stemma ; 

 the face densely clothed with short black pubescence. Thorax : 

 the posterior margin of the scutellum slightly raised and acute ; 

 wings deep fuscous, having a brilliant metallic green iridescence; 

 the legs black. Abdomen elongate, shining, and sjjaringly punc- 

 tured in the middle, closely so at the sides, towards the apex 

 fringed with black pubescence, at the extreme apex a little bright 

 ferruginous pubescence. 



Male. Length 12 lines. — Very closely resembling the female ; 

 the scape in front, the clypeus and a triangular shape above it, 

 a minute spot on each side beneath the anterior stemma, another 

 on each side of the labrum, and a small one at the base of the 

 mandibles, yellow; sometimes a minute yellow spot on the 

 second joint of the flagellum in front; the tarsi beneath have a 

 bright ferruginous pubescence ; the intermediate legs have the 



