Descriptions of Ncio Species of Parasitic Hymenoptera. 53 



Head, except the oral region and the hinder part of the malar 

 space, black ; the furrows on the second abdominal segment 

 narrow, clearly defined, extending from the base to the apex, 



straight, oblique, ovipositor 6 mm. long enjtJtyostomits. 



Head with the sides of the front and the greater part of the 

 vertex yellow ; the furrows on the second abdominal segment 

 wide, curved, not reaching to the apex of the segment ; ovi- 

 positor 8 mm calriiiice. 



Iphiaulax calvini^, sp. nov. 



Yellowish-red; the antennae, front, ocellar region, the mark pro- 

 duced behind on to the middle of the vertex and gradually narrowed 

 to a point, and the hind tibiae and tarsi, black ; wings fuscous, 

 except for the usual hyaline spot on the first cubital cellule, the 

 nervures, costa, and apex of stigma black, the basal half of stigma 

 ochraceous. ? . 



Length 10 mm. ; terebra 8 mm. 



Cape Colony. Calvinia. 



Thorax flat above, almost on one level, the middle lobe not clearly 

 separated ; apex of metanotum closely striated in the middle ; the 

 rest of thorax smooth, impunctate ; the metanotum covered with 

 long black hair. Pleural furrow, shallow, indistinct. Abdominal 

 segments closely, rugosely, longitudinally striated ; the suturiform 

 articulation wide, deep, crenulated ; it has no oblique branch on the 

 sides, but there is a broad, deep, curved one on the sides of the 

 second segment at the base ; these are bordered on the outer side 

 with curved striae ; the outer side, at the base, is smooth. Eadial 

 cellule long, narrow ; the apical abscissa of the radius longer than 

 the basal two united. 



This species differs from the normal species of Iphiaulax in having 

 the thorax above fiat. 



"■' Iphiaulax erythrostomus, sp. nov. 



Closely allied in colouration (except that the head is black above 

 the clypeus) and having also a flat upper part of thorax, is a Cape 

 species in my collection ; the size is the same, and the abdominal 

 segments are closely, longitudinally striated. 



Length 10 mm. ; ovipositor 6 mm. 



Face with a large depression, longer than wide, in the centre ; it 

 is stoutly longitudinally striated ; the part above it, below the 

 antennae, forms a stout transverse border ; the lower sides of the 

 depression are rounded at the sides ; the top is transverse. Palpi 



