278 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 50. 



Genus PRORIVULA Schaus. 



Prorivula Schaus, Ann. Mag. Nat. Hist., ser. 8, vol. 11, 1913, p. 38. 



Male. — Palpi obliquely ascending; second joint heavily fringed in 

 front, reaching above vertex, third smooth, very short. Antennae 

 bipectinatc. Wings broad; outer margins slightly rounded. Fore 

 wings: Veins 3, 4, 5 equally apart; 6 close to upper angle; 7, 8, 9 

 stalked; 10 and 11 stalked. Hind wings: Cell long; veins 3 and 4 

 from lower angle; 5 well above angle; 6 and 7 from upper angle. 



Type of genus. — Prorivula leucostida Schaus. 



In this genus is also : 



Prorivula rufescens SchsiViS = Rivula rufescens Schaus (Ann. Mag. 

 Nat. Hist., ser. 8, vol. 11, 1913, p. 37). 



Genus HYPENODES Guenee. 



Hypenodes Guenee, Delt. et Pyral., 1854, p. 41. 



Palpi: Second joint long, fringed above, third short, naked, oblique. 

 Antennae serrate, minutely ciliated. Legs smooth. Fore wmgs 

 narrow; vein 3 from close to angle; 4 and 5 from lower angle; 6 

 below upper angle; 7 from upper angle; 8 and 10 stalked; 9 absent; 

 11 free. Hmd wings: Veins 3 and 4 stalked; 5 a little above angle; 

 6 and 7 shortly stalked. 



Type of genus. — Hypenodes alhistrigalis Haworth. 



The genus contains : 



Hypenodes modesta Schaus, Ann. Mag. Nat. Hist., ser. 8, vol. 11, 

 1913, p. 40. 



Hypenodes dubia Schaus, Ann. Mag. Nat. Hist., ser. 8, vol. 11, 

 1913, p. 41= Menopsimus crainbiformis Dyar, Proc. U. S. Nat. Mus., 

 vol. 47, 1914, p. 178. 



Hypenodes insciens Dognin, Het. Amer. Sud, fasc, 8, 1914, p. 84. 



Genus ARRADE "Walker. 

 Arrade Walker, Cat. Brit. Mus., vol. 27, 1863, p. 82. 



Palpi obliquely porrect, moderately long ; second j oint hairy ; a sharp 

 frontal tuft. Antennae minutely ciliated. Legs smooth. Fore 

 wings long and narrow; apex acute; outer margin nearly straight; a 

 large tuft of scales on inner margin beyond middle; 6 and 7 from 

 upper angle; 8, 9, 10 stalked from before the end of cell. Hind 

 wings: Vems 3 and 4 stalked or from cell; 5 from middle of disco- 

 cellular; 6 and 7 stalked. 



Type of genus. — Arrade erebusalis Walker. 



The genus also contams: 



Arrade juba Schaus, Ann. Mag. Nat. Hist., ser. 8, vol. 11, 1893, 

 p. 41. 



Ai^ade monaeses Schaus, Ann. Mag. Nat. Hist., ser. 8, vol. 11, 

 1913, p. 42. 



