HYMENOPTERA. 19 



streak, a similar streak crosses the second transverse nervure, 

 not extending:; to the middle of either the second or third sub- 

 marginal cells ; there is also a small hyaline spot on the upper 

 part of the third discoidal cell. Abdomen : the base, sides and 

 apex, as well as the apical margins of the segments, covered with 

 black pubescence ; the second segment shining, punctured at 

 the basal margin and tinged with blue. 



Hab. Port Natal. 



118. MuTiLLA Sycorax. B.M. 



Female. Length 8 lines. — Head and abdomen black, thorax 

 dark ferruginous ; the head covered with large confluent punc- 

 tures, and elongated behind the eyes. Thorax elongate, rounded 

 in front and behind, the sides furnished with three tubercles ; 

 above coarsely rugose, legs black, and having a very sparing 

 short pale glittering pubescence. Abdomen thinly clothed with 

 short black pubescence, the second segment having two round 

 spots of white pubescence, the third segment has a fascia of the 

 same colour interrupted in the middle ; beneath, the second seg- 

 ment is rugose and has a central carina at the base, which in the 

 middle of the segment terminates in a sharp tooth. 



Hab. Port Natal. 



This species resembles the M. leucopyga of King, but differs 

 in the form of the head, in the coarseness of its sculpture, and in 

 the armature of the second segment beneath. 



119. MUTILLA TRIMACULATA. 



Mutilla trimaculata, St. Farg. Hym. iii. 618. 37 $ . 

 Hab. Senegal. 



120. Mutilla spinigera. 



Mutilla spinigera, St. Farg. Hym. iii. 630. 53 c? . 

 Hab. Senegal. 



121. Mutilla nigripennis. B.M. 

 Mutilla nigripennis, OUv. Ency. Meth. viii. 55. 5. 



Hab. Senegal; West Africa (Whydah). 



122. Mutilla histrio. 



Mutilla histrio, St. Farg. Hym. iii. 631. 55 ^ . 

 Hab. Senegal. 



