HYMENOPTERA. 347 



14. XYLOCOPA PR^EUSTA. 



Female. Length 10 lines. Black, the head arid thorax 

 densely clothed with short golden-yellow pubescence, the scape 

 in front and the clypeus yellow, the flagellum pale testaceous 

 beneath. Thorax : the legs rufo-testaceous, the anterior coxae 

 and trochanters terminating in a sharp spine, the anterior tibiae 

 having a long dense fringe, pale above and black beneath, the 

 tarsi having on both sides a long pale fringe ; the intermediate 

 tibiae and tarsi have a long pale pubescence, that on the tarsi 

 brightest, the posterior pairs have a similar pubescence ; the 

 tarsi beneath bright fulvous ; wings fusco-hyaline. Abdomen : 

 the base above has a pale golden-yellow pubescence, graduating 

 to bright fulvous at the apex. 



Hob. Africa. (Coll. F. Smith.) 



15. XYLOCOPA OBSCURATA. 



Male. Length 9 lines. Black, the head, thorax and basal 

 segment of the abdomen densely clothed with short obscure 

 fulvous pubescence ; the scape in front yellow ; the flagellum, 

 except the two basal joints, pale testaceous beneath. Thorax : 

 the wings fusco-hyaline, and having a faint purple iridescence ; 

 the legs beneath fusco-ferruginous, the anterior legs brightest ; 

 the legs have a pale fulvous pubescence, that on the tarsi beneath 

 ferruginous, the posterior pair black above ; the apical joints of 

 the tarsi ferruginous, the claws black. Abdomen minutely and 

 very closely punctured, rendering the surface opake ; the pubes- 

 cence short and black, that on the apical segment bright golden- 

 yellow ; beneath rufo-testaceous. 



Hab. Africa. (Coll. F. Smith.) 



16. XYLOCOPA GRISESCENS. B.M. 



Male. Length 9 lines. Black, the pubescence on the face, 

 thorax above, and legs, of a yellowish-grey, that on the tarsi and 

 apex of the posterior tibiae bright pale fulvous, on the four apical 

 segments of the abdomen it is black and sparing, at the extreme 

 lateral margins the pubescence is pale ; the wings fusco-hyaline, 

 their apical margins clouded, the nervures dark ferruginous ; the 

 metathorax rounded behind. 



Hab. Algeria. 



17. XYLOCOPA CIRTANA. 



Xylocopa cirtana, Lucas, Explo. Sc. Alger. iii. 167. 54. t. 4. f. 10. 

 Hab. Algeria (Constantine). 



