84 



NOCTUID^. 



2172. Nycterophaeta luna. 



CucuUia luna, Morr. Proc. Bost. Soc. N. H. xyiii. p. 122 (1875) ; Smith, 



Cat. Noct. N. Am. p. 267. 

 Nyctcrophcsta magdalena, Hulst, Bull. Brooklyn Ent. Soc. iv. p. 45 



(1882). 

 Epinyctis notatella, Grote, Can. Ent. xiv. p. 75 (1882). 



Head and thorax pxire white : abdomen white, sometimes tinged 

 with brown. Fore wing silvery white ; a subbasal black point 

 below costa ; antemedial points below costa and above inner 



Fig. 11. — NycterophcBia luna, (S . \. 



margin ; a point in middle of cell and another at lower angle ; a 

 postmedial point on inner margin ; four points on termen between 

 vein 5 and submedian fold. Hind wing pure white. 



Hah. U.S.A., Dakota, Montana, Wyoming, Black Hills, Colorado, 

 Denver {Bruce, Oslar), 5 J , 1 $ . Exp. 44-46 millim. 



Genus OPSIGALEA, nov. 



Type, 0. ocellata. 



Proboscis fully developed; palpi upturned, reaching vertex of head and 

 thickly clothed with hair ; frons with slight rounded prominence ; eyes large, 

 rounded; antennae of male almost simple; head and thorax clothed chiefly 

 with scales, the tegulse produced behind into a slight hood, the metathorax 

 with triangular crest ; tibiae moderately fringed with hair ; abdomen without 

 dorsal crests. Fore wing long and narrow, the apex produced, the termen 

 oblique, excised towards tornus ; veins 3 and 5 from near angle of cell ; 6 from 

 upper angle ; 9 from 10 anastomosing with 8 to form the areole ; 11 from cell. 

 Hind wing with veins 3, 4 from angle of cell ; 6 obsolescent from above angle 

 of cell ; 6, 7 shortly stalked ; 8 anastomosing with the cell near base only. 



2173. Opsigalea ocellata. 



Fystalea ocellata, Wlk. xxxiii. 760 (1865) ; Druce, Biol. Centr.-Am., Het. 

 1. p. 249. 



S . Head and thorax grey and fuscous mixed, the metathorax pale 

 fulvous ; tegulse with curved black medial line ; pectus and legs 

 ochreous white ; abdomen whitish dorsally tinged with brown. Fore 

 wing with the costal half ochreous white, the costa tinged with brown 

 from before middle to apex ; the inner half grey finely pencilled with 

 fuscous ; subbasal line represented by an oblique striga from costa ; a 



