88 FAUNA HAWAIIENSIS 



Female, apart from sexual characters very like the male ; in some examples there 

 is a very narrow yellow line along the inner margin of the eyes, or the head may be 

 entirely black ; face very wide, and very strongly convex longitudinally, with long dark 

 pubescence ; propodeum coarsely clathrately rugose to the brow, as in the cT ; apical 

 segments of the abdomen beneath with dark hairs ; wings in both sexes fuscous, 

 often with slight blue iridescence towards the tips. 



Hab. Haleakala, Maui (4000 — 5000ft.). Not a common species; found flying 

 round ferns in the forest. It is very distinct by the structure of the scape of the cT, 

 and the clathrate area of the propodeum in both sexes. 



(16) h esoprosopis unica, sp. no v. 



c/ capite latissimo, fortius transverse, longitudinaliter fortiter convexo, clypei apice, 

 et magnis duabus maculis extra clypeum, flavo ; pronoto interrupte flavo-Iineato : 

 metatarsis pallidis ; alls subfuscis ; antennarum articulo primo dilatato, longiore quam 

 latiore, subtus fortiter arcuato ; area propodei antica breviter subreticulatim-rugosa. 

 d". Long, circa 6 mm. 



Male, head very wide, across the eyes decidedly transverse ; face with a spot 

 near the apex of the clypeus, and two large triangular ones bordering the eyes, and 

 also a widely interrupted line on the hind margin of the prothorax, yellow ; clypeus 

 with its posterior margin extremely wide, the sides very little divergent thence as 

 far as the apex of the eyes, evenly punctured, and clothed with rather long pale 

 hairs ; plate above the clypeus very wide, its anterior margin about equal to the 

 combined length of its sides ; face very convex longitudinally ; the scape of the 

 antennae dilated, subtriangular, its posterior margin rounded, longer than wide, 

 beneath somewhat strongly arched ; head above the antennae with the surface finely 

 roughened, and somewhat closely punctured. Mesothorax and scutellum with dark 

 erect pubescence, finely, regularly and closely punctured, the scutellum rather the 

 more largely, and its surface slightly less dull than that of the mesothorax ; anterior 

 area of the propodeum subreticulately rugose along its front margin, behind this 

 smooth except for the surface rugulosity ; wings fuscous ; the front of the front 

 tibiae, and all the metatarsi, pale. 



Hab. a single male taken in the mountains near Honolulu at an elevation of 

 about 2500 ft. (1897). 



(17) Nesoprosopis laticeps, sp. nov. 



Praecedenti affinis, capite transverso, fortiter convexo, alis fuscis ; </ antennarum 

 articulo primo dilatato, longiore quam latiore, subtus fortiter arcuato ; capite prae 

 antennis ad latera flavo-maculato, vel toto nigro ; % propodei area antica brevissime 



