hymenoptera. 279 



14. Larrada glabrata. B.M. 



Female. Length 7 lines. — Black : the head smooth and 

 shining; the antennae rufo-fuscous, the scape smooth, siiining 

 and nifo-piceous in front ; the mandibles ferruginous. The 

 mesothorax closely punctured, and having a spai'ing short fus- 

 cous ])ubescence ; the metathorax elongate, the sides jiarallel, 

 the apex abruptly truncate, above rugose, with a central longitu- 

 dinal carina, which extends to the verge of the truncation ; the 

 latter has an impressed line in the centre, is shining and delicately 

 punctured, with the lateral margins roughened ; the wings fus- 

 cous, the tegulffi rufo-testaceous ; the sides of the pectus and the 

 femora ferruginous, the latter incrassate; the intermediate and 

 posterior tibiae and the tarsi thickly spined, the spines dark fer- 

 ruginous. Abdomen elongate, smooth, shining and impunctate. 



Hab. Celebes. 



15. Larrada jaculator. B.M. 



Female. Length 6 lines. — Black : the face and cheeks with 

 a fine short silvery pubescence ; that on the former has a faint 

 golden tinge ; the apex of the mandibles rufo-piceous. The me- 

 sothorax and scutellum smooth shining and delicately punctured; 

 the sides of the fonner with a fine short pale yellow pubescence; 

 the metathorax, legs and abdomen covered with a changeable 

 silvery pile ; the metathorax finely shagreened and having a cen- 

 tral longitudinal carina, not extending to the verge of the trun- 

 cation ; the truncated portion very finely transversely strigose, 

 and having a central longitudinal impressed line ; wings flavo- 

 hyaline, darkest towards the base of the anterior pair, their 

 apical margins faintly clouded, the nervures pale ferruginous. 

 Abdomen sericeous ; in some lights the apical margins are seen 

 to have bright silvery fascia; ; the apical segment covered with 

 silvery pubescence and rounded at the apex. 



Hab. North Bengal. 



16. Larrada vigilans. B.M. 



Female. Length 6 lines. — Black : the face thinly covered 

 with silvery pubescence ; the mandibles rufo-piceous ; the meso- 

 thorax and scutellum smooth ; the wings subhyaline, the ner- 

 vures testaceous ; the metathorax transversely rugose and havino- 

 a longitudinal impressed line, which is continued to the verge of 

 the truncation, the latter transversely rugose ; the spines on the 

 tibiffi and tarsi ferruginous ; the apical margins of the segments 

 of the abdomen with fasciae of bright silvery pile, only observable 



o 



