Genus Xylocopa. 259 



The female is black, with the posterior portion of the 

 thorax and the basal portion of the abdomen yellow ; the 

 Avings brownish-black with a purple iridescence. The 

 pubescence of the male is olive-jellow ; the antennse yel- 

 low beneath, except one or two joints at the base of the 

 flagellum; the mandibles have a minute yellow spot at 

 their base and the anterior margin of the clypeus has a 

 narrow yellow line, this is sometimes interrupted ; the legs 

 are pubescent, that on the underside being black ; at the 

 tip of the abdomen the pubescence is slightly fulvous, 

 with more or less of black hairs at the sides. Length of 

 female 10 lines ; of the male 9 lines. 



Hub. — Cape of Good Hope ; Daraara-Land ; Congo. 



17. Xylocoi^a olivacea. 



Apis olivacea, Fabr. Ent. Syst. ii. 319, S . 



Bombus olivaceus, Fabr. Syst. Piez. S-l?. 



Xylocopa olivacea, Smith, Cat. Hym. Ins., Apidfe, ii. 



349, ^, ?. 

 Xylocopa luteola, St. Farg. Hym. ii. 1 98, $ . 



The male resembles that of A^ caffra, but is not so 

 bright in colour, being olive, the antenna pale beneath, 

 with a longitudinal pale line on the clypeus, the anterior 

 margin of the same and two spots on the labrum reddish- 

 vellow ; there is also a minute yellow spot at the base of 

 the mandibles ; the claw-joint of the tarsi ferruginous, and 

 the pubescence on the intermediate and posterior tarsi 

 black ; the wings subhyaline, with a foscous stain in the 

 marginal cell, and a faint cloud at the apical margins; 

 length seven lines. The female is black, Avith the thorax 

 and basal segment of the abdomen clothed with bright 

 yellow pubescence ; the basal half of the wings subhyaline, 

 the apical pair dark fuscous ; the flagellum of the antenna 

 pale beneath ; length eight lines. 



Hab. — Sierra Leone ; Angola. 



18. Xylocopa divisa. 



Xylocopa divisa. King, Mag. der Gesell. Nat. fiir zu 



Berlin, 2 ; Smith, Cat. Hym. Ins., 



Apidre, ii. 363. 



The sexes of this small species were bred from the nest 



by Herr Gueinzius, at Natal ; it is readily distinguished : 



the female is black, with the posterior half of the thorax 



s2 



