704 Annals of the South African Museum. 



becoming a little weaker towards the occiput; on thefrons aDd 

 cheeks a sparse and shallow puncturation superimposed. Thorax 

 fairly shining, finely reticulate-punctate on the pronotum, reticulate- 

 rugulose on the meso- and epinotum, also sparsely and shallowly 

 punctured ; the sides of the meso- and epinotum sharply and finely 

 reticulate - punctate and dull. Scale and abdomen transversely 

 rugulose and shining. A very fine, whitish and decumbent pubescence 

 on the body and legs, almost wanting on the head. A sparse, erect and 

 fairly thin pilosity on the vertex, thorax and abdomen, the brow of 

 the declivity and the upper edge of the scale with several white 

 and bristly hairs, thicker and longer than the rest of the pilosity. 

 Head very similar to that of ostiarius, but with the truncation in 

 front less abrupt. The head is one-seventh longer than wide, rect- 

 angular, the sides and posterior margin straight. The median area 

 of the clypeus is a little longer than wide, its sides straight and parallel, 

 its anterior margin arcuate and slightly indented in the middle, the 

 lateral pieces triangular, the clypeal pits between them and the 

 median area deep. Frontal area triangular, indistinct. Frontal 

 carinae widely divergent behind, but less so than in ostiarius, as near 

 to each other as they are to the sides of the head. Eyes fairly flat, 

 placed at the posterior third. The scapes do not reach the hind 

 margin. Mandibles formed as in ostiarius, microscopically reticulate, 

 sparsely and fairly coarsely punctured, with 6 or 7 teeth. Pronotum 

 twice as wide as long, feebly convex transversely, the sides subvertical, 

 the lateral margins, seen from above, straight over the posterior half. 

 Mesonotum one and a half times wider than long, transversely sub- 

 ovate, the anterior margin slightly raised behind pro-mesonotal 

 suture. Meso-epinotal suture very wide and deep, forming a V-shaped 

 excision on the dorsal profile. Dorsum of epinotum, seen from above, 

 oval, slightly longer than wide, convex lengthwise and transversely, 

 sloping very slightly downwards to the vertical and equally long 

 declivity, the brow of the latter narrowly rounded. Scale inclined 

 forwards, seen from behind ovate, higher than the petiole is long, 

 flat behind, feebly convex in front, the dorsal edge trenchant. Tibiae 

 cylindrical, not setose below. 



£ minor, 3-1-3-8 mm. Black, basal two-thirds of the scapes 

 reddish ochreous, the apical third, the flagellum, mandibles, tibiae 

 and tarsi more or less reddish brown. Head and thorax subopaque, 

 finely reticulate-punctate, the mesonotum and epinotum more 

 rugulose and moderately shining. Pilosity and pubescence as in the 

 21.. Head one-fourth longer than wide, the sides in front of the eyes 



