372 Mr. R. E. Turner on Fossorial Hyinenoptera. 



the apical half, shallowly sinuate at the apex ; seventh 

 unarmed. Seventh dorsal segment narrowly rounded at the 

 apex, with a spine on eacli side near the base, 



? . Second ventral segment shining and very sparsely 

 punctured in the middle ; sixth dorsal segment subtriangular, 

 rounded at the apex. 



Hab. Zungeru, N. Nigeria ; November 1910 (/. W. Scott- 

 Mac fie). 



Very nearly allied to B. bidentata, Lind., but the inter- 

 mediate femora of the male are not toothed, the shape of 

 the seventh dorsal segment is different in both sexes, and the 

 colouring is very different. 



Bembex johnsto7ii, sp. n. 



■S . Niger ; maudibulis, apice nigris, labro, clypeoque maculis biuis 

 nigris, flavis ; autennis, pedibus capiteque(vertice nigro excepto) 

 ochraceis ; prouoto, tegulis, lateribus mesonoti, segmeiitisque 

 Jibdominalibus sexto septimoque fusco-ferrugineis ; abdomine 

 obscure iridescenti ; alls hyalinis, veuis fuscis. 



Long. 24 mm. 



c? . Antennae with the three apical joints strongly exca- 

 vated beneath, the apical joint much longer than the penulti- 

 mate, slightly curved and rounded at tlie apex, the eighth 

 and ninth joints of the flagellum with a small spine beneath, 

 the sixth emarginate beneath, the seventh with a very minute 

 spine near the base. Eyes almost parallel on the inner 

 margin ; front distinctly carinated between the antenneR, 

 the carina continued on the base of the clypeus, which is 

 strongly convex. Eore tarsi normal, the basal joint with 

 seven spines on the outer margin ; none of the femora 

 serrate, intermediate tibiae not produced at the apex, basal 

 joint of intermediate tarsi normal. Second ventral segment 

 Avith a low longitudinal carina ending in an acute spine, sixth 

 segment produced and bluntly tuberculate at the apex, 

 seventh segment with an indistinct median carina. Seventh 

 dorsal segment narrowly rounded at the apex, the sides not 

 sinuate. Finely and closely punctured, the ventral segments 

 more spars^ely punctured. The apical margins of the dorsal 

 abdominal segments are very narrowly tinted with testaceous, 

 the whole abdomen with a blue iridescent sheen. Wings 

 very feebly tinted with fuscous towards the base. 



Hab. Uganda (^Sir H. Johnston). 



Allied to B. mobii, Handl., but in that species the seventh 

 dorsal segment is toothed at the sides. In the type of the 

 present species, however, the seventh segment is so much 



