Genus Xi/locopa. 293 



and the face below tlie antennte wliite ; the pubescence on 

 the thorax and the extreme apex of the abdomen rufous ; 

 as it is also on the margins of one or two of the apical 

 segments ; the pubescence on the legs is of a mixture of 

 black and rufous. Length five lines. 

 Hab. — Cayenne. 



106. Xylocopa fervens. 



Xrjlocopa fervens, St. Farg. H}tii. ii. 196, $ ; Smith, 

 Cat. Hym. Ins., Apidoe, ii. 359. 



A large black species ; the pubescence on the head and 

 thorax rufous ; the anterior and intermediate legs have a 

 mixture of black and rufous pubescence. The basal seg- 

 ment of the abdomen and the cilia on the fifth and the 

 sixth segments are rufous; wings brown-black, Avith a 

 violet iridescence. Length fourteen lines. 



Hab. — Cayenne. 



St. Farg^eau gives the above locality, but I am inclined 

 to think he is wrong, and that the insect is a nue variety 

 of X.JIavo-?-uf a from S. Africa. 



107. Xt/locopa erratica. 



Male. — Black and punctured ; the head and abdomen 

 closely so ; the disk of the thorax impunctate, also a 

 naiTow smooth line down the middle of the abdomen ; the 

 pubescence griseous ; on the body beneath, and on the legs 

 it is palest ; on the posterior legs, above, it is black ; the 

 scape nigro-piceous in front ; the flagellum, except the two 

 basal joints, fulvous beneath ; the clypeus, and a broad 

 line at the inner orbits of the eyes, which becomes narrower 

 at their summit, and then terminates in an ovate spot on 

 the vertex, yellow, a black line down the middle of the 

 clypeus ; the wings subhy aline, with coppery iridescence, 

 and tinged with violet at their apex. Length seven lines. 



Hab. — South Brazil. 



*108. Xylocojja electa. 

 Female. — Head and thorax black, the abdomen nlgro- 

 Eeneous ; the labrum with three small tubercles ; a carina in 

 front of the anterior ocellus, and also a slightly raised one 

 from the posterior ocelli Avhich runs to the margin of the 

 vertex. The disk of the thorax, and the scutelhuB, shining 

 and impunctate, or with only a few v^ery fine distant punc- 



