440 jS'OCTUIDyi:. 



faint dark ^^ostmedial line with whiter shade bej'ond it ; a whitish 

 line at base of cilia ; the vinderside whiter irrorated with brown, 

 the postmedial line more distinct and rather diffused. 

 ■ Hah. U.S.A., Colorado {GocJcerell), 1 S ■ JEoci). 40 millim. 



Genus EOSPHOROPTERYX. 



Type. 

 Eosplioropteryx , Dyar, Journ. N.Y. Ent. Soc. x. p. 80 (1902)... thyatyroldcs. 



Proboscis fully deyeloped ; palpi upturned, the 2nd joint reai;hing to well 

 above vertex of head and broadly fringed with scales in front, the 3rd long ; 

 frons smooth, witli tuft of hair; eyes large, round, slightly overhung by cilia; 

 antenna; of male ciliated; thorax clothed with hair and hair-like scales, the 

 meso- and metathorax with large divided crest ; tibia; slightly fringed with 

 hair ; abdomen with small basal crest and verj' large crest on 3rd segment. 

 Fore wing with the apex rounded, the terinen evenly curved and slightly crenu- 

 late, the inner margin excised towards tornus which has a scale-tooth; 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 the cell about half 

 the length of wing ; veins 3, 4 from angle ; 5 fully developed from above angle ; 

 C, 7 from upper angle ; 8 anastomosing with the cell near base only. 



8269, Eosplioropteryx thyatyroides. 



Plusia thyatyroides, Guen. Noct. ii. p. 337, pi. 11. f. 8 (1852) ; Ottolengui, 

 J. N.Y. Ent. Soc. x. pi. ix. f. 12 ; Smith, Cat. Noct. N. Am. p. 249. 



Head and thorax pale grey-brown ; frons with white bar above ; 

 antennae white towards base and with some black scales on basal 

 joint above ; palpi rufous ; tegulse with black line at middle and 



Fig. 112. — Eosplioropteryx ihyatyroidcs, S • t- 



white tips ; patagia with some black at shoulders and white line 

 near base ; the dorsal crests bright rufous ; j)ectus and legs white 

 mixed with grey-brown, the tarsi brown ringed with white ; 

 abdomen white dorsally suffused with grey-brown, the crests 

 rufous, the anal tuft red-brown above. Fore wing white suffused 

 with purplish pink and slightly irrorated with black, the medial 

 area silvery except towards costa ; an oblique black-brown fascia 

 edged with rufous from costa near base to the antemedial line at 

 subcostal nervure ; antemedial line brown defined on inner side by 



