288 HYMENOPTERA. 



of the segments narrowly rufo-testaceous, the base with a fine 

 cinereous pile. 



Hab. Brazil (Amazons). (Coll. W. W. Saunders.) 



46. LARRADA FULIGINOSA. 



Larra fuliginosa, Dahlb. Hym. Europ. i. 138 & 472. 3. 



Hab. Cuba. 



47- LARRADA FULVIPES. B.M. 



Female. Length 7-8 lines. Black : the head wider than the 

 thorax ; the face covered with silvery pubescence ; the anterior 

 margin of the clypeus rounded ; the palpi and mandibles ferrugi- 

 nous. The thorax covered with a fine silky silvery pubescence, 

 most dense at the sides of the mesothorax, on the post-scutellum 

 and at the sides of the metathorax, thelatter rounded behind ; the 

 wings hyaline, faintly tinted with yellow, the nervures and tegula3 

 of a fulvous-red ; the legs of the same colour ; the coxae black ; 

 the marginal cell narrowed and rounded at the apex ; the first 

 transverse cubital nervure nearly straight. Abdomen : a little 

 short silky pubescence at the base ; the apical margins of the 

 three basal segments with bands of silvery pubescence ; the api- 

 cal segment margined at the sides ; the apex rounded, and with 

 an obscure fusco-ferruginous pubescence. 



Hab. Brazil ; Jamaica ; St. Domingo. 



This species resembles Tachytes Etrusca, but the second sub- 

 marginal cell is much wider towards the marginal cell ; the head 

 is wider than the thorax, and the abdomen has only three silvery 

 bands ; and the femora as well as the tibiae and tarsi are red. 



48. LARRADA IGNIPENNIS. B.M. 



Female. Length 7 lines. Black : the face covered with 

 silvery pubescence, as well as the cheeks and base of the man- 

 dibles. Thorax : the legs, thorax beneath, the breast and first 

 segment of the abdomen beneath, covered with fine silky pile, 

 very brilliant in certain lights ; the meso- and metathorax sub- 

 opake, thelatter having a shallow indistinct longitudinal furrow; 

 the lateral margins slightly raised, and with a few transverse 

 raised carinae ; the truncation smooth in the middle, and having 

 a few striae at its upper margin, which is slightly raised ; in the 

 middle is a deep longitudinal furrow ; the wings bright ferrugi- 

 nous, with a broad fuscous border at their apical margins. Abdo- 

 men with a fine silky pile, the apical margins of the segments 

 with bright silvery fasciae, varying in brilliancy in different lights; 



