i>8 Aimals of the South African Museum. 



of the first transverse cubital nervure in front. The transverse 

 median nervure is not quite interstitial, being received shortly beyond 

 the ti-ansverse basal ; showing an approach to the Exotliecini. Hypo- 

 pygium large, cultriform, projecting beyond the apex of the last 

 dorsal segment. 



■■'• Iphiaulax mimeticus, sp. nov. 



Luteous, the antennae, hind tibiae and tarsi, black ; wings blackish 

 fuscous ; the base to the length of the transverse cubital nervure 

 from the stigma yellowish hyaline, the hind wings to the commence- 

 ment of the cubitus ; basal half of stigma ochraceous. ? . 



Length 15 mm. ; terebra 5 mm. 



Transvaal. 



Head and thorax smooth and shining. The central area of the 

 first abdominal segment from the top of the basal slope strongly 

 striated, with a stouter keel down the middle ; the base and sides 

 smooth ; the second, third, and basal half of the fourth segment 

 closely longitudinally striated, the apices of the second and third 

 with a narrow smooth border ; suturiform articulation deep, crenu- 

 lated ; the furrow on the base of the third is narrower and crenulated ; 

 there are crenulated furrows on the apices of the third and fourth 

 segments. There is a narrow hyaline cloud below the base of the 

 stigma, a small irregular one below the first transverse cubital 

 nervure and one on either side of the second ; the line narrowed 

 in front and broadest on the outer side. Antennal scape three times 

 longer than wide. The second cubital cellule is about three times 

 longer than wide and longer than the third ; the transverse median 

 nervure is not quite interstitial, it being received shortly beyond the 

 transverse basal. 



There is no distinct area or keel on the base of the second ab- 

 dominal segment; only a small, wider than long smooth space in 

 the middle. 



BEACON, Fabr. 



" Bracon ? DiFFiciLis, sp. nov. 



Eufo-testaceous, the ocellar region largely, antennae, tips of man- 

 dibles, the greater part of the lobes of the mesonotum, scutellum, an 

 obscure mark on the base of the metanotum, the greater part of the 

 first abdominal segment, a broad band down the centre of the second, 

 extending from the base to near the apex, the mark slightly, gradu- 

 ally narrowed from the base and rounded at the apex, two irregular 

 large marks in the centre of the third, two large marks on the fourth, 



