Descriptions of Neic Species of Parasitic Hyinenoptcra. 41 



/'. Abdomen not striated. 



Ovipositor shorter than the abdomen ; plate on second 

 abdominal segment not much longer than its width at the 

 base, its apex not prolonged into a keel ; malar space, 

 upper and lower side of propleurae marked with yellow ; 



sutures not crenulated oniaticollis, Cam. 



Ovipositor longer than the abdomen ; plate on second 

 abdominal segment much longer than its width at the base, 

 the apex prolonged into a keel ; head and thorax immacu- 

 late ; abdominal sutures crenulated xanthopterns, Cam. 



liracon luctuosus, Be, (Hymen., iv., 414) is a closely allied species 

 to /. xanthopteriis, but appears, so far as can be made out from the 

 description, to differ in several essential points. 



Iphiaulax ^thiopicus, Cam. 



Eecords of the Albany Museum, i., 153. 



Houts Bay, nr. Cape Town, (December). Dunbrody (Rev. J. A. 

 O'Neil). 



Iphiaulax xanthopterus, sp. nov. 



Black, smooth and shining ; the suturiform articulation distinct, 

 crenulated ; the transverse furrow on the base of the fourth segment 

 smooth ; the area on the base of the second segment distinctly 

 raised, triangular, clearly longer than its width at the base, reaching 

 to shortly beyond the middle of the segment, its narrowed apical 

 part bordered by furrows. Wings yellowish hyaline to near the 

 apex of the stigma, black-fuscous beyond ; apical abscissa of radius 

 not quite so long as the basal two united. $ . 



Length 10 mm. ; terebra 6 mm. 



Cape Colony. King Wilham's Town Distr. 



Malar space as long as the antennal scape, narrowly furrowed. 

 Antennal scape shining, gradually widened towards the apex, which 

 projects into a tooth below, w^iere it is covered with long black hair ; 

 it is as long as the following three joints united. Face thickly 

 covered with longish black hair. Abdomen longish ovate, as long as 

 the head and thorax united. 



Iphiaulax xanthocarpus, sp. nov. 

 Black, shining, smooth, except the basal two-thirds of the second 

 segment, which are strongly, but not closely longitudinally striated ; 

 the suturiform articulation and the furrow on the fourth and fifth 

 segments strongly crenulated. Wings yellowish hyaline to near the 

 apex of the stigma ; blackish-fuscous beyond. Face, oral region 

 and palpi thickly covered wdth white pubescence. Palpi black. 



