NOCTUID.E. 
300 
Genus STYGIONYX. nov. 
Tvpe, S. montana, Joieev & Talbot ( Hypena ), A. M. N. H. 
(8), xx. p. 54, pi. 1. f. 7 (1917). 
Proboscis fully developed ; palpi porrect, the 2nd joint 
extending about twice the length of head, broadly scaled 
and with triangular tuft of scales above at extremity, the 
3rd minute and thickly scaled ; frons smooth with pointed 
tuft of hair above ; eyes large, round ; antennae of male 
ciliated ; thorax clothed almost entirely with scales and 
without crests ; tibiae smoothly scaled ; abdomen with 
dorsal crests on two basal segments only. Fore wing with 
the apex somewhat produced, the termen evenly curved, 
the inner margin highly arched ; vein 3 from well before 
angle of cell ; 5 from just above angle ; 6 from upper angle ; 
9 from 10 anastomosing with 8 to form the areole ; 11 from 
cell. Hind wing with the cell about one-third length of 
wing ; veins 3, 4 from angle ; 5 fully developed from well 
above angle ; 0, 7 from upper angle ; 8 anastomosing with 
the cell near base only. 
Genus RH0D0DACTYLA. 
Type. 
Rhododaetyla, Warr. Trans. Ent. Soc. 1889, p. 247 elicrina. Feld. 
Rhododactyla micra, n. sp. 
<$. Head and thorax red-brown mixed with whitish ; palpi 
deep red-brown ; abdomen whitish tinged with red-brown, 
the ventral surface deeper red-brown. Fore wing red-brown 
mixed with whitish, the costa striated with red-brown ; an 
indistinct waved red-brown antemedial line ; a curved brown 
discoidal striga ; post media! line brown, minutely dentate, 
excurved to vein 4, then incurved ; an indistinct waved 
red-brown subterminal line, excurved below vein 3 ; cilia 
rufous, whitish at tips, deeper red-brown at apex and middle. 
Hind wing whitish tinged with red-brown ; an indistinct 
sinuous brown postmedial line ; a fine terminal brown line 
to vein 2 ; cilia red-brown to vein 2 with a whitish line at 
base. Underside of fore wing brown, the costa mottled 
red-brown and whitish, the inner area whitish, a curved 
brown postmedial line slightly incurved at diseal fold ; hind 
wing whitish, the costal half mottled with red-brown, a red- 
brown discoidal striga, sinuous postmedial line, and minutely 
waved subterminal line defined on outer side by whitish. 
Hab. Peru, 8. Domingo (Oclcenden), 1 type. Exp. 18 
nn'llim. 
