348 Annals of the South African Museum. 



River, East Transvaal (i . 1910, A. T. Cooke) ; 2 ^ , M'Fongosi, Zululand 

 (iii, xi . 1911, Jones) ; Otjituo and G-aub, S. W. Protectorate (i . 1919, 

 Lightfoot). Brit. Mus. : 1 ^,Cap. Bon Spei (very old specimen); 



1 ? , Natal ; 1 $ , Durban, Natal (iii . 1896) ; 2 <? , 1 ? , Mazoe, 4000 ft., 

 Mashonaland (24, 26 . xii . 1905, Marshall). Coll. E. B. Williamson : 



2 $ , Princetown, Natal (9, 19 . xii . 1908, Cl. F. Leigh) ; 3 $ , Hilton 

 Eoad, 3800 ft., Natal (20, 21, 23 . xii . 1909, id.); 1 <? $ , in cop., 

 Salisbury, 5000 ft., Mashonaland (i . 1900, Marshall) ; 1 ? , Umtali, 

 3700 ft., Mashoualaud (xii . 1900, id.). Mus. Tervueren-. 1 <?, 3 9 , 

 Kapiri, Katanga (x, xi . 1912, Legros). Coll. His : 2 , Eiver Errer, 

 Harrar, Abyssinia (vii . 1911, Kristensen). 



Dull yellowish, markings dark brown to almost black. 



$ . Labium light yellowish, points of lateral lobes dark. Labrum, 

 face and frous yellow with blackish marks, the free margin of labrum 

 very narrow, a broader transverse line on base of labrum projecting 

 anteriorly in the median line ; anterior margin of postclypeus rather 

 broadly marked ; broader transverse band across anterior side of 

 frons, convex dorsally and touching the ridge in the median line ; 

 dorsally anterior half of frons yellow, posterior half black, an irregular 

 row of black granulations along the anterior ridge. Vertex dull 

 ferruginous above, passing anteriorly into yellowish, blackish in front 

 across the ocelli. Occipital plate yellow ; free margin very slightly 

 convex ; anterior surface very shallowly concave with a round, low, 

 central convexity. Vertex almost continuous to occipital plate, very 

 slightly convex, then with a shallow transverse groove and a slightly 

 concave, almost horizontal plane, which ends in a blunt ridge above 

 the ocelli. Thoracic pattern, Plate IX, fig. 4 (slightly variable individu- 

 ally ; in some specimens the yellow spot at the ante-alar sinus is fused 

 to the. juxta-humeral line, in some the humeral suture is narrowly 

 lined with yellow). Legs yellowish, three narrow, almost complete 

 black lines at the femora ; tibiae black with two external yellow lines ; 

 tarsi black. 



Abdomen moderately dilated at segments 1-2 ; 3-7 cylindrical, very 

 slender; 8-10 rather considerably extended in lateral and dorsoventral 

 dimensions, foliate dilatations of 8-9 large. Black with yellowish 

 markings ; dorsum of segment 1 except a narrow mid-dorsal line ; 

 segment 2 dorsolateral bands including a yellow mid-dorsal band, 

 which is narrow in the anterior, broad in the posterior half ; 3-7 

 longitudinal bands, very close to lateral margin, narrowly interrupted 

 at anterior end, dorsally projecting at anterior carina and dilated to 

 form a complete ring at the end of each ^segment ; a narrow mid-dorsal 

 line slightly dilated at the anterior carina, more dilated near the 



