286 HYMENOPTERA. 



Species of South America. 

 Div. 1. Abdomen red, or red and black. 



39. Larrada pagana. 



Tachytes pagana, Dahlb. Hym. Europ. i. 132. 

 Hab. Island of St. Crucis. 



40. Larrada fulviventris. 



Lyrops fulviventris, Guer. Icon. Reg. Anim. iii. 440. 

 Hab. Cuba. 



41. Larrada rubricata. B.M, 



Female. Length 4^ lines. — Head and thorax black ; the face 

 densely covered with silvery pubescence ; the mandibles ferrugi- 

 nous. Thorax opake, the metathorax delicately shagreened, the 

 lateral margins raised and having a little silvery pubescence ; the 

 apex abruptly truncate, the truncation covered with silvery pu- 

 bescence ; the legs have a fine silvery silky pile ; the claws ferru- 

 ginous; the wings hyaline, their apical margins slightly fuscous, 

 the nervures and the tegulae ferruginous. Abdomen ferruginous, 

 the apical margins of the segments with fasciae of silvery pile, 

 observable only when viewed in some positions; the apical seg- 

 ment shining, and with a few scattered punctures. 



Hab. Brazil (Pai-a). (Coll. H. W. Bates.) 



Div. 2. Abdomen black. 



42. Larrada campestris. B.M. 



Female. Length 5-6 lines. — Black : the face with bright pale 

 golden pubescence; the head behind, the eyes and the mandibles 

 at their base, with similar pubescence, in some lights having a 

 bright silvery lustre, in others a golden brilliancy ; the meso- 

 and metathorax have a similar pubescence ; the wings yellow at 

 their base, slightly fuscous at their apex ; the metathorax very 

 finely granulated, the truncation abrupt, its margin slightly 

 raised; the claws ferruginous, their tips black; the basal seg- 

 ment of the abdomen and the apical margins of the following 

 segments with bright changeable silvery pubescence, very brilliant 

 in some lights, but scarcely discernible in others. 



Hab. Brazil (Villa Nova). (Coll. H. W. Bates.) 



