20 ANDRKNID.K. 



of tho eyes, toriuiiiuliiip; :i litllc above the insertion of the antenutc, 

 and an ovate spot nt the aii((>rior margin of the clypeus cream- 

 colonrotl ; the lu'ail closely ])iiiictiiie(l. Tliorax with a line on the 

 collar attenuated in the niidillc, the I uhereles, and a spot on the 

 ferula" in front cream-coloured, .nid llie basal half of tho tibiic 

 of the same colour outside ; a similar coloured spot ai tho extreme 

 ba.se of tho posterior tarsi ; wings hyaline and iridescent ; the 

 meaothorax and scntelhim shining and closely punctured ; the 

 metathorax truncate, the enclosed semicircular space at its base 

 rugose. Abdomen shining and finely puiu'turcd, pilose towards 

 the apex, rounded at the base and gradually narrowing to the 

 apex, winch is pointed. 



Unh. Makassar. 



1 1 . Prosopis blackburni. 



Femnlf. Length 3 lines. — Black ; and closely resembling the female 

 of P. fiu-Uis, but has the flagellum of the antennae fulvous beneath. 

 The metathorax with a few short stritc at the base ; wings sub- 

 hyaline and iridescent, the recurrent nervures uniting with the 

 transverse nerrures of the second submarginal cell, as in P.facilis. 

 The abdomen smooth, shining, and impunctate. 



Mah. The size of the female ; the front of the head, as high as the 

 antcnnsc, yellow, tho scape with a yellow line in front, the flagellum 

 fulvous beneath. The tibine and tarsi yellow, with a small black 

 spot on the tibiae behind, and the apical joint of the intermediate 

 and posterior tarsi fnsco-ferruginous : wings and abdomen as in 

 the female. 



Hah. Sandwich Islands, island of Maui. 



It will l)e secTi that the male of this species differs greatly in 

 colouring from the same ^ex of /'. facUi^, although the females have 

 little specific distinction. 



12. Prosopis fuscipennis. 



Male. Length 4 J lines.— Black. The head and thorax semiopaque ; 

 the abdomen smooth, very finely punctured, sparsely so at the 

 base, bright and shining ; wings fuscous, incliniug to fulvous, and 

 brightly iridescent. The head closely and finely punctured ; the 

 clypeus somewhat produced, and truncate anteriorly; the scape of 

 the antenna) compressed, its lower margin narrowly white. The 

 margin of the prothorax white: the mesothorax and scutellum 

 closely punctured ; the metathorax rugose ; the anterior tibiee and 

 tips of the femora fulvous within, the four apical joints of the 

 tarsi rufo-testaceous. 



Uah. Sandwich Islands. 



