394 NOCTUID.E. 



submedian folds ; a terminal series of blackish striae ; cilia white, 

 tipped with black at apex, middle, and towards tornus. Hind wing 

 whitish suffused with brown, the cilia white ; the underside white 

 irrorated with rufous, a rufous discoidal spot and brown terminal 

 line. 



Hah. U.S.A., California, Arizona, Yuma Co., 1 $ . Exp. 

 24 millim. 



Genus EUTERPIODES, nov. 



Type, E. pienaari. 



Proboscis aborted, very minute ; palpi porrect, very short and not reaching 

 nearly as far as frous, which has a long bifid corneous plate from middle and 

 trilobate corneous plate below it ; eyes large, round ; antennas of male bi- 

 pectinate with short branches to apex ; thorax clothed entirely with scales, the 

 prothorax with small spreading crest, the metathorax with large spreading 

 crest of large scales ; tibiae smoothly scaled ; abdomen without crests. Fore 

 wing elongate, the costa somewhat concave, the apex rounded, the termen 

 evenly curved and not crenulate ; veins 3 and 5 from near angle of cell; 

 6, 7 from upper angle ; 8, 9 stalked; 10, 11 from cell. Hind wing with the 

 cell long ; veins 3, 4 from angle ; 5 obsolescent from middle of discocellulars ; 

 6, 7 from upper angle; 8 anastomosing with the cell to about one-third. 



4857. Euterpiodes pienaari. 



Megalodes pienaari, Dist. A. M. N. H. (7) i. p. 223 (1898). 



3 . Head and thorax ochreous mixed with some dark brown 

 especially on palpi, lower part of frons, sides of teguloe and in meta- 

 thoracic crest ; tegulse with slight black dorsal mark, the pro- and 

 mesothorax with paired black dorsal bars ; pectus and legs white 

 mixed with brown, the tarsi red-brown ringed with white; abdomen 

 ochreous, dorsally suffused with fuscous. Pore wing pure silvery 



Pig. 185. — Euterpiodes pienaari, $ . \, 



white ; the basal area ochreous with some red-brown before ante- 

 medial line, the costal area mostly suffused with leaden-grey to end 

 of cell and the costal edge dark brown ; antemedial line black, 

 slightly excurved below costa, then strongly bent inwards and 

 below the cell incurved ; orbicular leaden-grey, round, a quadrate 

 leadeu-grey patch beyond it defined at sides by black-brown scales ; 

 discocellulars defined by two sinuous grey lines ; postmedial line 

 black, slightly bent outwards below costa, oblique to vein 6, then 

 formed of lunules to vein 3, then rufous, oblique, sinuous, defined 

 on inner side by black, above vein 2 forming a triangular spot, and on 

 outer side defined by rather diffused black marks; a leaden-grey patch 



