Mr. R. E. Turner on Fossorial Bymenoptera. 107 



an oblique groove from the eyes to the posterior ocelli ; the 

 hind margin of the head slightly raised, subcarinate. Pro- 

 notum transverse, tiie anterior margin raised and sharply 

 pointed at the angles ; thorax very coarsely punctured, the 

 nie.^opleurse coarsely moose. Median segment short ; with a 

 distinct enclosed basal aren, wliich is very finely rngulose, 

 with live strong longitudinal carinse ; tiie posterior slope 

 lather indistinctly transversely striated ; the sides of the 

 segment very tinely and closely punctured. Abdomen 

 smooth and shining beneath, the three basal dorsal segments 

 coarsely punctured, the three apical segments closely and 

 finely punctured. Recurrent nervure received before the 

 middle of the cubital cell; transverse cubital nervure received 

 just beyond the middle of the radial cell. 



Hah. British East Africa, Tana River, 3000 ft., near 

 ]\it. Kenia [G. Orde Browne) ; November. 



This is distinct both in colouring and in structural details 

 from E. braueri, Kohl., also in the sculpture of the abdomen. 



Rhopalum tuberculicorne, sp. n. 



(S . Niger ; scapo, tuberculis humeralibus, pedibus anticis, pedibus 

 intermediis tiirsis infuscatis, coxisque posticis apice flavis ; fla- 

 gello fusco subtiis ferrugineo ; sogmeutis dorsalibus 5-7, ventrali- 

 bus 2-7, tibiis posticis tegulisque pallide ferrugineis ; alis 

 hyalinis, iridesceiitibus, venis nigris, cellula radiali infuscata. 



Long. 4 mm. 



(^ . Clypeus without a carina, clothed with silver pubes- 

 cence, the apical margin almost transverse. Mandibles 

 blunt at the apex, not bidentate. Second joint of the fla- 

 gellum longer than the third, emarginate at the base beneath 

 and produced into a stout tubeicle at the apex beneath. 

 Head smooth and shining ; the eyes separated at the base 

 of the clypeus by a distance slightly exceeding the length of 

 the scape, strongly divergent towards the veitex ; posterior 

 ocelli as far from the eyes as from each other, and also as far 

 fron) the hind margin of the head as from each other, a short 

 longitudinal sulcus between them. Pronotum short, a minute 

 spine at the anterior angles. Thorax shining, microscopically 

 punctured ; median segment smooth and shining. First 

 abdominal segment scarcely longer than the second, mode- 

 rately swollen at the apex, second segment broadened from 

 tlie base, third segment broader than long. Hind tibise 

 broad, with a few small spines on the outer margin. Re- 

 current nervure received just before two-thirds from the base 

 of the cubital cell ; radial cell broadly truncate at the apex, 



