634 Col. C. T. Bingham on South African 



to the genus Mutilki and not to Dolichovintilla, Ashmead, 

 as defined by Andre (Genera Insectoriini. P. Wytsman. 

 Hymenoptera) . 



16. MUTILLA SECRETA, form n. 



N. E. Rhodesia: Loangwa River 1700 ft: June 7, 

 1905; and Petauke, Nov. 27, 1905 {S. A. Neave). 



$ . Black shining with sparsely scattered erect white hairs, the 

 abdomen more densely clothed with recumbent black hairs. Head 

 subquadrate closely and coarsely punctured, as wide as the thorax in 

 front ; clypeus overhung with a dense fringe of white hairs ; 

 mandibles acute, slightly reddish in the middle ; eyes ovate, lar^e, 

 closer above to the occiput than below to the base of the mandibles ; 

 head behind the eyes rounded and broad. Thorax rectangular, the 

 sides nearly parallel, the pronotum slightly arclied anteriorly, the 

 median segment obliquely but steeply sloped posteriorly, the whole 

 thorax above very closely and coarsely punctured ; seen from above 

 the intervals between the punctures on the median segment have 

 the appearance of an arched row of short spines, the sides of the 

 thorax nearly smooth with one or two wide reticulations on the 

 mesopleurae, the mesopleurae obliquely bicarinate; legs slender, 

 intermediate and posterior tibiae with a double row of short black 

 spines, the calcaria wliite. Abdomen sessile; basal segment short 

 immaculate, ventral carina incised in the middle ; 2nd segment 

 with two transversely placed pubescent round white spots ; 3rd and 

 4th segments with broad pubescent white bands, that are widely 

 interrupted in the middle on both segments; 6th segment fringed 

 and overhung with white hairs, convex and smooth towards apex 

 with no defined pygidial area, below with a single small median 

 tubercle ; 2nd and following ventral segments narrowly testaceous 

 at their apices and sparsely fringed with white hairs. 



Length $ 10-11 mm. 



The specimen from the Loangwa River, June 7, 1905, 

 is marked as the type. 



17. MuTlLLA DURA, form n. 



Rhodesia : Loangwa Valley, Petauke 1700 ft. : Dec. 25, 

 1905 {S. A. Neave). 



5 . In general appearance size and markings very closely resembles 

 M. secreta, the form just described. It can be distinguished as 

 follows. Antennae : 2nd joint of the flagellum three times, not twice 



