PROSOPIS. 



17 



PROSOPIS, Fabr. 



Div. I. The first recurrent nervure not entering the second submarginal 

 cell (Sp. 1-19.) 



1. Prosopis obtusata. 



Female. Length 4| lines. — Head and thorax black, with yellow 

 spots, the abdomen obscurely blue-black. The head orbiculate and 

 truncate anteriorly, closely punctured ; a large triangular yellow 

 macula on each side of the face, the inner angle of each reaching 

 the insertion of the antenna. Thorax closely punctured, truncate 

 behind, the truncation somewhat concave ; a large yellow spot 

 before the wings, on the tubercles ; the scutellum and post- 

 scutellum yellow, the anterior margin of the former rounded in the 

 middle ; the wings hyaline and iridescent. Abdomen shining and 

 finely and closely punctured. 



Hab. Swan River. 



2. Prosopis purpurata. 



Male. Length 3| lines. — Head and thorax black and variegated 

 with yellow ; the abdomen purple. Head oblong-ovate, somewhat 

 narrowed anteriorly ; the face below the antennas and on each 

 side, close to the eyes a little above their insertion, as well as 

 the scape of the antennas in front, bright yellow ; the mandibles 

 ferruginous ; the nagellum fulvous and slightly fuscous above. 

 Thorax truncate behind, with the enclosed space at its base above 

 coarsely rugose ; an interrupted line on the collar, the tubercles, 

 scutellum, and postscutellum yellow ; wings clear hyaline and 

 brightly iridescent; the anterior tibiae in front and the femora 

 beneath yellow ; the legs rufo-piceous, posterior pair obscurely so ; 

 the tarsi pale ferruginous. 



Hab. Adelaide. 



3. Prosopis quadriceps. 



Female. Length 3 lines. — Black and elongate ; the head quadrate 

 and a little wider than the thorax ; the entire insect closely and 

 finely punctured and subopaque ; the face with a large yellow 

 subangular spot on each side, the nagellum fulvous beneath. 

 Thorax with the tubercles yellow, the metathorax smooth and shin- 

 ing ; the tibiae and tarsi obscurely rufo-piceous, the anterior pair 

 being palest, the posterior tibiae yellow at their base ; the wings 

 hyaline and iridescent. The abdomen oblong. 



Hab. Australia. 



