490 



GNATS OR MOSQUITOES — CHAPTER XIV 



covering their hinder borders ; and in the niid-Une this deep-tinted 

 border is interrupted by a snowy spot, especially prominent in the $ . 

 In addition to the tarsal banding, tlie apices of all the femora and tibia; 

 luive large white spots, and the tips of tlie fore tarsi may be aU white, 

 thougli to a less extent than is the case on the hind legs. Wing mainly 

 fuscous-scaled, with two minute and indistinct whitish spots, on the 

 apex, and interrupting the costa opposite the posterior transverse vein, 

 respectively ; and with iridescent blue patches at the bases of V and II. 

 The armature of the long wing vein is, even apart froiu the round-scaled 

 patches, peculiar, their bases being clothed with truncate scales, while 

 their distal portions are more sparsely clothed with long lanceolate 

 scales of peculiarly graceful form and arrangement. 

 Habitat. — Santos, Brazil (Lutz). 



Fig. 48.— 1, Wing of ? , x 15 diameters ; 2, "Venation of (? wing ; 3, 

 Base of V, showing form of the generic blue scales ; 4, Arrangement of scales 

 on distal part of a long vein ; 5, Head and appendage of J ; 6, of $ . 



4. URANOTiENIA PULCHERRIMA, Airibdlzaga. 



("L. A." p. G5.) 



Last hind tarsal joint all white, with distinct white apical 

 bands ou the other joints ; there are traces of apical banding on 

 the upper joints of the fore and mid legs, the lower joints of 

 which are much paler than the upper. Thorax bright testaceous, 

 with a median pale blue line in front, not extendmg to scutellum, 

 a pale blue patch on each side of the wings, another on the 

 scutellum, and patches of deeper blue on the prothoracic lobes. 

 Abdomeu dusky brown, with whitish cross-bands, rather irregular. 

 Fork-cells both small, the hinder the larger. 



