542 Col. C. T. Bingham on Sovth African 



than the thorax, transverse, not much produced behind the eyes ; 

 mandibles broad, longitudinally grooved, with a preapical tooth on 

 the inner edge ; eyes conA^ex, only slightly indented on the inner 

 orbits, antennae stout, 2nd joint of flagellum half as long again as 

 the 3rd ; thorax slightly narrowed in front ; scutellum raised into 

 a conical large tubercle ; median segment very oblique posteriorly 

 slightly convex, sharply carinate on each side ; abdomen subsessile, 

 1st segment short, its ventral carina well raised, its edge verticall}' 

 sinuate. 



Length ^ 13-14 mm. Exp. 25-28 mm. 



This form may be a variety of D. atrata, Linn,, but the 

 description of the latter speaks of a white transverse band 

 on the abdomen, in the former the segments 1-5 are only 

 laterally fringed with white. 



30. DOLICHOMUTILLA. GUINEENSIS, Fabr. 



3Iutilla guitieensis, Fabr., Ent. Syst., ii, 1793, p. 367 ; Lep. 

 Hym., iii, p. 640 ?. 



Rhodesia: East Loangwn, Petauke 2400 ft. $ {S. A. 



Neave). 



A single ^. 



31. DOLICHOMUTILLA SYCORAX, Smith. 



Mutilla sycorax, Sm., Cat. Hym. B.M., iii, 1855, p. 19 $. 



Mutilla gttinecnsis, Gerst. (nee. Fabr.), Monats. Akad. Wess. 

 Berlin, 1857, p. 511 ^; idem. Peters Reise n. Mozamb., 

 Zool, V, 1862, p. 486, pi. 31, figs. 4 and 5 ^ $ ; Andre, 

 Zeits. Hym. Dipt., i, 1901, p. 339. 



Natal ^ {Coll. IV. Saunders); Rhodesia: Mashonaland, 

 Salisbuiy 5000 ft. $ {G. Marshall) ; Lagos $ (J. A. Cremcr). 



32. DOLICHOMUTILLA NEAVEI, form n. 



N.E. Rhodesia : East Loangwa District, Petauke 2400 

 ft. $ : Dec. 28 and 31, 1904 (.S'. A. Neave). 



The specimen captured Dec. 28, 1904, is marked as the 

 type. 



(J. Black and shining; the mandibles close to the apex, the 

 pro- and mesonotum, scutellum and tegulae dark red; the head, thorax 

 and abdomen covered with long erect black hairs; the mandibles be- 

 neath, the lower portion of the inner orbits, a fringe posteriorly on the 

 scutellum and another posteriorly on the apical abdominal segment 



