56 Mr. F. Smith on new Species 



equal to tlie length of tlie third cliscoidal cell ; the nervures 

 fuscous ; the stigma and costal veins blackish ; the tegulas 

 obscurely testaceous. The abdomen narrowed at its base and 

 subpetiolate ; the three basal segments with silver fasciae on 

 their apical margins ; the three apical segments with a covering 

 of pale golden pile, only observable in certain lights. 

 Hah. St. Paulo (Amazons). 



Larrada facilis. 



Female. Length 6\ lines. Black, and brilliantly adorned 

 with bright silvery pile. The face and clypeus silvery. 

 Thorax slightly sliining ; the metathorax opaque, and more 

 or less covered with bright silvery pile ; wings subhyaline, 

 the nervures fuscous ; costa and stigma black ; the • outer 

 margin of the tegular testaceous. The apical margins of the 

 three basal segments of the abdomen with bright silvery 

 fascifB ; the two apical segments entirely silvery. 



Hub. Effa. 



Larrada teneb. 



rosa. 



Female. Length 4| lines. Shining black ; the head and 

 mesothorax highly polished and impunctate. The clypeus 

 with silvery pile. Thorax : the sides, and also beneath, thinly 

 covered with a short changeable hoary pubescence ; the meta- 

 thorax finely transversely striated, and having a central 

 longitudinal depression ; the truncation with a central im- 

 pressed line, and with the lateral margins roughened ; wings 

 fuscous, with their apex pale. Abdomen smooth, shining, 

 impunctate, and destitute of marginal fasciae. 



Hah. Ega. 



Larrada pruinosa. 



Female. Length 5i lines. Black, and covered with a thin 

 hoary pile, most densely so beneath ; on the sides of the thorax 

 and legs, in certain lights having a silvery lustre. The face 

 and clypeus with bright silvery pile, also the metathorax on 

 the sides and posteriorly ; the wings hyaline, faintly tinted 

 with yellow ; the nervures pale testaceous, with the costa and 

 stigma black. Abdomen with silvery fascia on the posterior 

 margins of the three basal segments ; the apical segment with 

 a changeable short fuscous pubescence. 



Hah. Ega. 



Larrada ceth{o2')s. 

 Female. Length 8§- lines. . Black ; head and abdomen 



