282 HYMENOPTERA. 



terminates in a deep fossulet above ; wings hyaline, faintly clouded 

 at their apical margins, the nervures testaceous ; the two apical 

 joints of the tarsi ferruginous. Abdomen thinly covered with a 

 fine thin sericeous pubescence, the three basal segments slightly 

 depressed. 



Hab. Cape of Good Hope. 



27. Larrada aterrima. 



Female. Length 4i lines. — Deep opake black : the face with 

 bright silvery pubescence ; the mesothorax with a central longi- 

 tudinal depression in front, on each side of which is an elongated 

 slightly impressed line, and also a short scratch opposite the 

 front of the tegulse, the latter rufo-piceous behind; the wings 

 smoky, the nervures black ; the metathorax very delicately trans- 

 versely striated, the sides obliquely so, and the truncation with 

 coarse transverse ridges and a central longitudinal deeply im- 

 pressed hne. Abdomen : the basal segment and the apical mar- 

 gins of the segments with bright silvery fascise, observable in 

 certain lights. 



Hab, Cape of Good Hope. (Coll. F. Smith.) 



28. Larrada pallipes. B.M. 



Male. Length 4 lines. — Black, and covered with a grey silky 

 j)ile ; the face densely covered with bright silvery pubescence ; 

 the palpi, mandibles and scape ferruginous. The mesothorax 

 and scutellum closely punctured ; the metathorax transversely 

 rugose ; a central longitudinal carina extends to the verge of the 

 truncation ; the sides of the metathorax obliquely strigose ; the 

 wings subhyaline and iridescent, the nervures and tegulee pale 

 rufo-testaceous ; the legs pale ferruginous, the coxae and tro- 

 chanters fuscous ; the apical margins of the segments of the ab- 

 domen slightly depressed. 



Hab. Africa. 



This may possibly be the male of L. ferrugineipes, but the 

 metathorax is longer and much more coarsely sculptured. 



29. Larrada punctata. 



Female. Length 3^ lines. — Black : the head, the mesothorax 

 above and beneath, the scutellum and metathorax, closely and 

 finely punctured ; the sides of the latter obliquely striated, the 

 truncation transversely so; the face with fine sericeous pubes- 

 cence ; the mandibles ferruginous ; wings fuscous and iridescent ; 



