Mr. H. E. Turner on Fossorial Uymenoptera. 285 



markings of the thorax and abdomen disappear more or 

 less completely in Central Africa, and reappear fully in 

 the male of the South African form H. spectrum, Sni. The 

 colour variations of Batozonus fuliginosus, Klug, are very 

 striking in the female, the antennae showing all gradations 

 from orange to black ; in specimens from Guinea the head 

 and thorax tend to become dark ferruginous ; this is also 

 the colour in the typical Saharan form, in which the wings 

 are dull yellow deeply margined with brown ; closely allied 

 species in India and Madagascar have the wings yellow with 

 only a narrow fuscous margin, whereas in the common 

 Ethiopian form the wings are wholly black with a blue 

 sheen. Many of these colour forms are doubtless of 

 suhspecific importance, but many are merely individual 

 aberrations. 



Genus Hemipepsis, Dahlb. 



Hemipepsis iodoptera, Stal. 



Hemipepsis iodoptera, Stal, (Efvers. Svensk. Vet. Akad. Fork, xiv. 



Satins tineaticollis, Cam. Ann. Transvaal Mus. ii. p. 121 (1910). $ . 



This is closely related to H. spectrum, Sin., but the female 

 has the clypeus much less emarginate, the angles of the 

 pronotum less rounded, and the abdomen pruinose. In both 

 species the striation of the median segment is fine and close, 

 rather irregular. H. Iodoptera usually has a black transverse 

 mark on the vertex. 



Hemipepsis fallax, Sauss. 

 Mygnimia fallax, Saussure, Distant, Natural. Transvaal, p. 221 



Mygnimia hottentotta, Saussure, Distant, Natural. Transvaal, p. 220 



(1892). $. (Nee Taschenberg, 1869.) 

 Salius transvaalianus, D. T. Catal. Hymen, viii. p. 242 (1897). 



Dalla Torre treats fallax as the male of distanti, Sauss., 

 but I consider that this is incorrect. From the description 

 and figure distanti seems to me to be a synonym of H. tami- 

 sieri, Guer. 



Hemipepsis lacustris, sp. n. 



2 . Nigra ; capite pronotoque fusco-ferrugineis ; antennis pedi- 

 busque ferrugineis ; tergitis 2-5 apice et fascia longitudinali 



