454 Annals of the South African Museum. 



Transverse impression of the mesonotum very weak but appreciable. 

 Dorsum of the epinotum one and a-half times longer than wide, with 

 two pointed teeth. First node cuneiform, 2nd node at least twice as 

 wide as the 1st, the sides angular. Sculpture as in the 1/, but the 

 nodes and thorax have no distinct rugae, merely reticulate (including 

 the mesonotum in part). Pilosity as in the If.. Head and thorax 

 yellowish-brown, the thorax often yellowish. 



" 9 . 6'8 mm. Head quadrate, wider than long, alittle narrowed in 

 front, entirely rugoso-striate, as wide as the thorax. The latter 

 flattened above. Declivity of epinotum marginate and longer than 

 the dorsum, the latter not marginate. Spines short, triangular and 

 pointed. Petiole as in the 1/ , but the lateral spines of the 2nd node 

 are shorter and much thicker, also slightly obtuse. Entirely brown, 

 with the front of the head reddish, the antennae, tibiae and tarsi 

 yellowish rusty- red. Wings tinged with rusty-yellow, the stigma 

 brownish, the nervures brownish-yellow. 



" ^ . 6-6 "3 mm. Mandibles yellow, with 4 or 5 teeth. Scape two 

 and a-half times longer than wide. Head rounded, a little wider than 

 long, half as wide as the thorax. Epinotum with two elongate and 

 very obtuse tubercles. Petiole as in the $ , but the lateral spines are 

 reduced to strong pointed cones. Head rugose-reticulate, fairly dull. 



" Epinotum and a part of the mesonotum finely rugoso-striate 

 longitudinally. Nodes reticulate. Erect pilosity a little more abun- 

 dant on the body. Black or very slightly brownish-black. Mandibles, 

 legs and antennae yellowish, coxae brownish. Otherwise like the $ . 



"Basutoland (Wroughton)." 



Eace messalina, Porel. 



Loc. cit., p. 440, 1/, g. 



" 1/ . 5 mm. Mandibles less punctured and more striated, the 

 external border more convex. Clypeus hardly carinate. Head more 

 oval, the sides distinctly more convex, as much narrowed behind as in 

 front. Posterior lateral angles of the pronotum more obtuse, wider 

 and less prominent. Transverse impression and torus of the mesonotum 

 barely appreciable. On the other hand, there are two fairly distinct 

 carinae on the posterior half of the mesonotum. First node much 

 thinner and more squamiform, emarginate at the summit. Second 

 node as in the type of the species. Smoother than the latter ; head 

 and abdomen almost impunctate; pro-mesonotum without rugae. 

 Epinotum and nodes reticulate and subopaque, with a few striae; 

 anterior half of the head more closely and more finely striate, with 



