368 



PROCEEDINGS OF TEE NATIONAL MUSEUM. 



VOL. XXXV. 



Antenna, male, slightly dentate and microscopically pubescent; 

 female, simple, basal joint large and ridged on inner side, forming a 

 deep socket in which the second joint is movable. 



Labial palpi extends 3^ times eye- width beyond head, second joint 

 densely tufted below, tuft reaching to end of apical joint; latter 

 obtusely pointed and except at base not hidden by scales of median 

 joint. 



Maxillary palpi, nearly half length of labial, triangularly scaled. 



Tongue moderate, closely coiled between labial palpi. 



Ocelli absent. 



Thorax smooth. 



Fore wing over 2| times as long as wide ; costa very slightly ached, 

 curving more to apex; latter rounded, obtuse; termen slightly convex, 



Fig. 1. — Ventation of Uscodys cestalis. 



??5t?^» 



Fig. 2. — Two views of head .struc- 

 ture of uscodys cestalis. 



about 45°; dorsal margin nearly straight. Vein l^ftc present; 1^ 

 not furcate at base ; 2 from outer fifth of cell ; 3, 4, and 5 about equi- 

 distant at origin ; 6 from below upper angle ; 7, 8, and 9 stalked ; 10 

 separate close to 7+8+9; 11 from outer third of cell. 



Hind wing, lower median vein with long scales above; frenulum 

 of one spine only in both sexes ; slightly wider than fore wing ; costa 

 slightly depressed before middle and convex beyond, apex obtusely 

 rounded ; termen 45°. Veins 1 « ^ ^ present ; 1 ^ not furcate at base ; 2 

 from outer fourth of cell ; 3 before end of cell ; 4 and 5 close at origin 

 from lower angle"; 6 and 7 connate from upper angle; 8 very close to 

 cell its whole length, but not coincident with it as in other Crambinae. 



Legs smoothly scaled. 



Habitus rather stout. 



Type. — Uscodys cestalis Hulst. 



« The furcation at outer end of vein 4 of hind wing as shown in fig. 1 has 

 been only found in one side of one specimen; a number of others examined 

 showed no trace of this abortion. [ 



