:z ANDrvENin.K. 



and with a few short stria? at the base : wings subhyaline, and 

 iridescent, faintly clouded at their apex. Abdomen smooth and 

 shining : the apical margin of the second segment and the follow- 

 ing segments black. 



JLib. Island of Kauai. 



w Taken sparingly on flowers " (Rev, T. Blackburn). 



16, Prosopis rugosa. 



Male. Length 2| lines. — Black, and with pale yellow markings ; 

 the thorax coarsely rugose. Head below the antennae and a 

 little aboye them at the margin of the eyes, the scape in front, 

 and first joint of the flagellum, the labium, and mandibles pale 

 yellow : the flagellum fulvous beneath. Thorax with a line on the 

 collar, the tubercles, a minute spot on the tegulee, the tibiae and 

 tarsi, as well as the scutellum, yellow ; the coxa\ trochanters, and 

 femora, as well as the apical half of the posterior tibiae, rut'o- 

 piceous ; the mctathorax truncate and covered with fine hoary 

 pubescence, the enclosed space at the base shining and longitu- 

 dinally deeply sculptured ; wings hyaline and iridescent. Abdomen 

 shining, and with a few scattered flue punctures at its base : the 

 base rounded, thence gradually narrowing to a point at its apex ; 

 on the apical margins of the two basal segments, laterally, there 

 is a narrow line of white pubescence. 



Hah. Brazil, St. Paulo. 



17. Prosopis vigilans. 



Female. Length 3 lines. — Black, with yellow markings ; the thorax 

 strongly punctured. Head with a broad stripe along the inner 

 orbits of the eyes, running upwards nearly to their summit, and 

 a broad line down the middle of the clypeus yellow : the flagellum 

 fulvous beneath. Thorax with the collar, the tubercles, a spot 

 on the tegula? in front, the scutellum, and a small ovate spot 

 at each of its anterior angles, the anterior tibia) outside, and the 

 intermediate and posterior pairs at their base yellow : the tarsi 

 fusco-ferruginous : the mesothorax with a black velvety texture 

 anteriorly ; the mctathorax concavely truncate, and with a fine 

 hoary pilosity; the enclosed space at the base longitudinally 

 grooved ; wings subhyaline and iridescent. Abdomen shining and 

 impunctate, rounded at the base, and narrowing gradually to a 

 point at its apex : a little white pubescence on the apical margins 

 of the two basal segments laterally. 



Hah. Val de Fuego, Central America. 



