84 



NOCTCID-K. 



2 17-. Nycterophaeta luna. 



Cucullia luna, Morr. Troc. liost. Soc. X. 11. xviii. p. 122 (1875); Smith, 



Cftt. N()ct. N. Am. p. L'G7. 

 St/cterophata maifdalena, Hulst, Bull. Brooklyn Ent. Soc. iv. p. 45 



■(188L.'). 

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



Head and thorax pure white ; abdomen white, sometimes tinged 

 with hrowii. Pore winp .silvery white ; a subbasal black point 

 lielow cost a : autemedial points below costa and above inner 



Fig. 11. — NycterophBta luna, S . \. 



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

 ])0stmedial point on inner margin ; tour 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 c? , 1 $ . Exp. 44-40 raillira. 



Genus OPSIGALEA, nov. 



Type, 0. occllata. 



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

 thickly clothed with hair ; frons witii slight rounded prominence ; eyes lar^e, 

 rounded; antennie of male almost .simple; liead and thorax clothed chiefly 

 witli scales, the tegulas produced behind into a slight hood, the metathorax 

 with triangular crest ; tibia> moderately fringed with hair ; abdomen without 

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

 oblique. exci.sed towards tornus ; veins 3 and 5 from near angle of cell : (> from 

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

 llind wing witii veins 3, 4 from angle of cell; 5 obsolescent from above angle 

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



2173. Opsigalea ocellata. 



Ky$lalea occllata, Wlk. xxxiii. 7C0 (1865) ; Druce, Biol. Centr.-Am., Het. 

 i. p. 249. 



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

 fulvou.s; tepuhe with curved black medial line; pectus and legs 

 ochreous wliite ; abdomen whitish dorsally tinged with brown. Fore 

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

 from before middle to :i])ox ; the inner half grey finely pencilled with 

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



