DESCRIPTIONS OF NEW HYMENOPTERA. 287 



A species closely related to G. turongldoni, but distinctly smaller and 

 more slenderly built. The differences between them may be expressed 

 thus — 



Length — 11 m.m. 



Tho tarsi for the greater part black; the upper part of the 

 second transverse cubital nervure is straight and makes an 

 elbow below with the larger lower portion ; the lower 

 part of the second recurrent nervure broadly rounded. — 

 Wrought07ii. 

 Length — 9 m.m. 



The tarsi rufous ; the upper part of the second transverse cubi- 

 tal not sharply elbowed on its lower end ; the lower part 

 nijitai'sis of the second recurrent nervure. 



OXYBELUS AURIFRONS, Sp. nov. 



Niger, flavo-maculato, fronte aureopiloso, pedibus posticis nigris, 

 basi tibiarum tarsisque flavis. 9 . 



Lojig : 5-6 m.m. 



Habitat : Deesa. 



Scape of antennge yellow, lined with black above ; the flagellum 

 rufous, the base blackish above. Head black ; the front thickly cover- 

 ed with golden pubescence ; the vertex closely punctured and covered 

 with silvery pubescence, which does not hide the sculpture. Clypeus 

 broadly projecting in the middle ; the sides of the keel with an oblique 

 slope on the sides ; the apex has also an oblique,- rounded slope above 

 and does not project much. Mandibles more or less rufous, the base 

 broadly yellow. Thorax black ; a line on the pronotum, the scutel- 

 I'um, except down the centre and at the apex, the post scutellum with 

 its spines, the tubercles and the tegulae, yellow. Mesonotutn 

 closely and strongly punctm-ed ; the scutellum is more strongly, but 

 not quite so closely, pimclured, and is stoutly keeled down the middle; 

 the post-scutellum is broadly and roundly raised in the middle ; the 

 lateral laminae are roundly curved outwardly ; the apex sharp ; it becomes 

 gradually wider towards the base on the inner side ; the spine is long, 

 curved, of nearly equal width, hollowed above ; the apex in the middle 

 triangularly incised. The median segment is irrefjularly obliquely 

 striated ; tho striaB are placed at irregular distances j the middle of the 

 segment is hollowed and is free from strige • its apex is sharply obliquely 

 pointed. Legs black j the underside and apex of the fore femora, their 



