150 Annals of the South African M^iseum. 



the fore femora in front, their tibias almost entirely ; the middle 

 femora fuscous with a whitish line in the middle in front, and the 

 base and the anterior part of the middle tibiaB, white, tinged with 

 fuscous, the hind femora tinged with fuscous. Wings clear hyaline, 

 a small smoky, triangular cloud below the stigma and a larger one 

 at the apex ; the nervures and stigma black. Palpi dark fuscous. $ . 



Length 12 mm. ; terebra 4 mm. 



Natal. Durban. 



Face closely, finely reticulated ; the upper half of the clypeus dis- 

 tinctly punctured ; the lower half of the clypeus rufous-testaceous, 

 obscurely striated above, ending in two short blunt teeth. Basal 

 half of mandibles closely, strongly punctured, the apical smooth, 

 with a rufous band behind the teeth, which are equal in size. 

 Vertex and upper part of front opaque, coarsely aciculated, mixed 

 with striae ; there is a furrow down the upper part of the front- 

 Pro- and mesothorax closely, somewhat strongly punctured, the 

 punctures running into reticulations. Scutellum shining, strongly 

 punctured, the punctures clearly separated. Metanotum closely, 

 distinctly, regularly reticulated, the metapleurae closely rugosely 

 punctured; its second keel is weak in the middle, the outer edge 

 dilated. The sides of the post-petiole are distinctly punctured, and 

 there is a broad, iri-egular band near the apex ; the second to fifth 

 segments are closely punctured, the punctures becoming weaker 

 towards the apex. 



The antenna3 are longer than the body ; the basal joints of the 

 flagellum are greatly elongated ; the first joint is hardly longer than 

 the second. Temples short, greatly narrowed. Transverse median 

 nervure received shortly behind the transverse basal. 



Comes close to M. obesus, Tosq. 



CRYPTAULAX, gen. nov. 



Thorax short, not much more than twice longer than wide ; the 

 parapsidal furrows entirely obsolete. Median segment short, with- 

 out keels, closely, strongly reticulated ; the spiracles long. Abdo- 

 minal petiole long and slender, the post-petiole not clearly separated. 

 Clypeus separated from the face, the apex broadly rounded, the apex 

 in the middle minutely tuberculate. Areolet square, small, closed at 

 the apex, the recurrent nervure received near the apex ; the trans- 

 verse median nervure received shortly beyond the transverse basal ; 

 disco-cubital nervure unbroken ; the transverse median nervure in 

 hind wings broken distinctly below the middle. The wings are 



