Species of Fossorial Hymenoptera from Africa. 741 



the apical margin narrowly smooth. Apical joint of tlie flagellum 

 no longer than the penultimate. Head finely and sparsely punctured, 

 more closely on the front than on the vertex. Pronotum very 

 sparsely punctured, shining, broadly smooth posteriorly, the arch 

 of the posteriorly margin almost transverse on the median portion ; 

 propleurae smooth and shining. Mesonotum and scutellum shining, 

 very sparsely punctured, mesopleurae finely and more closely 

 punctured. Median segment less than twice as broad as long, 

 shining, very shalloAvly and sparsely punctured, the three longi- 

 tudinal carinae parallel and rather low, the two outer ones separated 

 by a distance equal to about two-fifths of their length ; the sides of 

 the segment shining and indistinctly striated. Abdomen shallowly 

 and spiirsely punctured ; the fourth and fifth segments more closely 

 punctured ; the basal segment broadly rounded at the base, without 

 a carina ; the second segment transversely depressed at the base ; 

 pygidium punctured rugose on the basal half, ferruginous and very 

 minutely punctured at the apex. Second recurrent nervure received 

 at about three-fifths from the base of the second cubital cell. 

 Tegulae large, longer than broad, smooth and shining. 



HoJ). Uganda Protectorate, Mt. Kokanjaro, S.W. of 

 Mt. Elgon 6,400 ft. {S. A. Ncave\ August 7-9. 



Type in B. M. 4 $ $. 



Allied to T. massaica, Cam., in the sparse puncturation , 

 but in that species the wings are hyaline and very 

 iridescent, with black nervures and the details of the 

 sculpture are different. 



Sub-family ANTHOBOSCINAE. 

 Anthohosca riifocaudata, sp. n. 



9 . Nigra, albopilosa, punctata ; mandibulis fusco-ferrugineis ; 

 segmentis dorsalibus quinto sextoque, ventralibus quarto, quinto 

 sextoque rufo-ferrugineis ; calcaribus albis ; alis hyalinis, venis 

 nigris ; cellula radiali apice subacuta. 



$ . Niger, albopilosus ; mandibulis basi, clypeo, margine interiore 

 oculorum anguste, pronoto margine posteriore, tegulisque pallide 

 flavis ; pedibus nigris, flavo-variegatis ; alis hyalinis, iridescentibus, 

 venis nigris ; clypeo apice acute bidentato ; unguiculis bifidis. 



Long. $ , 6-8 mm. ; $ , 7-8 mm. 



9 . Clypeus short, with a low median carina, the apical margin 

 depressed. Head rather sparsely punctured, more deeply on the 

 front than on the vertex. Thorax rather sparsely punctured, 

 median segment very finely and closely punctured. Abdomen 

 minutely punctured, seventh dorsal segment finely aciculate, smooth 



3 D 2 



