56 Mr. F. Smith on new Species 



equal to the length of the third discoidal cell ; the nervures 

 fuscous ; the stigma and costal veins blackish ; the tegulae 

 obscurely testaceous. The abdomen narrowed at its base and 

 subpetiolate ; the three basal segments with silver fascia? on 

 their apical margins ; the three apical segments with a covering 

 of pale golden pile, only observable in certain lights. 

 Hob. St. Paulo (Amazons). 



Larrada facilis. 



Female. Length 5£ lines. Black, and brilliantly adorned 

 with bright silvery pile. The face and clypeus silvery. 

 Thorax slightly shining ; 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 tegulae testaceous. The apical margins of the 

 three basal segments of the abdomen with bright silvery 

 fasciae ; the two apical segments entirely silvery. 



Hob. Ega. 



• Larrada tenebrosa. 



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. 



Hob. Ega. 



Larrada pruinosa. 



Female. Length 5-p 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 fasciae on the posterior 

 margins of the three basal segments ; the apical segment with 

 a changeable short fuscous pubescence. 



Hob. Ega. 



Larrada cethiops. 

 Female. Length 8| lines. Black ; head and abdomen 



