348 HYMENOPTERA. 



on each side of the scutellum and the post-scutellum, yellow ; 

 the wings hyaline, the uervures ferruginous ; the legs yellow, 

 with the coxse, except their tips, the anterior and intermediate 

 femora above, black; the posterior femora black, with their apex 

 yellow, and a black spot on the anterior tibiae beneath. Abdomen : 

 a broad yellow band on the apical margins of all the segments ; 

 the first band slightly narrowed in the middle, the three follow- 

 ing with two square notches on their anterior margin ; beneath 

 black ; the second segment with a large stout bent tooth in the 

 middle ; the sixth segment has an obtuse tubercle in the middle. 



Hob. Albania (Privesa). 



Having only seen a single specimen of this species, it has not 

 been thought advisable to remove it from the genus Larra, from 

 which, however, it differs not only in having the venter armed 

 with a tooth, as in the genus Monedula, but in having also a dif- 

 ference in the neuration of the wings; the marginal cell does not 

 extend beyond the third recurrent nervure, and at the apex is 

 abruptly truncated. 



44. LARRA PERRISI. 



Stizus Perrisi, Dufour, Ann. Soc. Ent. Fr. vii. 269. t, 9. f. I. 

 St. Farg. Hym. iii. 295. 4. 



Hob. France. 



45. LARRA PICTA. 



Stizus pictus, Dahlb. Hym. Europ. i. 478. 

 Hob. Egypt. 



46. LARRA PULCHERRIMA. B.M. 



Female. Length 9 lines. Black : the labrum, clypeus, inner 

 orbit of the eyes as high as the anterior stemma, and a narrow 

 line at the outer orbit, pale yellow ; a yellow spot on the scape 

 in front; the apical joint of the antenna and the tips of the other 

 joints beneath fulvous. Thorax : the posterior margin of the 

 prothorax and also that of the scutellum, the post-scutellum and 

 the tubercles, pale yellow ; the legs ferruginous, with the coxae 

 and trochanters black ; the tegulse and an epaulet over them 

 reddish-yellow; the wings fulvo-hyaline, the nervures ferrugi- 

 nous. Abdomen : an oblong macula on each side of the basal 

 segment in the middle, another on the second segment rather 

 longer and pointed within, a bisinuated waved fascia slightly 

 interrupted in the middle, on the third, a bisinuated entire fascia 

 at the base of the fourth segment, and a spot in the middle of 



