^RT. 8 XORTH AMEBICAX EUCOSMINAE HEI^'RICH 11 



Type locality. — Callao, Juab County, Utah. 



Food 'plant. — Unknown. 



Described from male type, one male and one female paratype, all 

 from the type locality and dated " 17-IV-22 " (males) and " 23-VI-22" 

 (female). 



Similar in pattern to corosana Walsingham, but paler and lacking 

 all traces of a dark basal patch in fore wing, also quite different in 

 genitalia. Follows that species in our arrangement. 



EUCOSMA INQUADRANA (Walsingham) 



Figure 17 



Aphelia f inquadrana Walsixgham, Trans. Ent. Soc. London, 1884, p. 134. 

 Bacira inquadrana (Walsingham) Fernald, In Dyar List N. Arner. Lepid., 



No. 5008, 1902. — Barnes and IvIcDonnough, Check List Lepid. Bor, 



Amer., No. 6791, 1917. 

 Eucosma inquadrana (Walsingham) Heinhich, U. S. Nat. Mus. Bull. 132, 



1926, p. 191. 



Male genitalia figured from specimen in National collection from 

 Sells Post Office, Pima County, Ariz. ("April-May, 1923"). 

 Alar expanse. — 14-18 mm. 

 Type. — In British Museum. 

 Type locality. — Arizona. 

 Food lilant. — Unknown. 



EUCOSMA MIROSIGNATA, new species 

 Figure 19 



A whitish species of the pulvemtana group with two prominent dark 

 brown markings on dorsum of fore wing. 



Palpus white, the scales on outer side spotted with ocherous fus- 

 cous and pure white at the tips, giving them a somewhat &Bh.j hue. 

 Head and thorax ash}'' white, scales colored as on the palpus. Fore 

 wing v/hite, dusted and lined with pale brown and ocherous fuscous; 

 the costal striations pale brown, most distinct on outer half; at apex 

 a rather conspicuous spot of the same color and below it a similarly 

 colored subapical bar extending from middle of termen to outer fourth 

 of costa; below this and just above ocellus an obscure clouding of 

 dark (fuscous ocherous) scaling; on dorsum two very conspicuous, 

 sharply contrasted, dark brown markings, a rather broad outwardly 

 curved bar near basal third and extending up nearty to top of cell 

 and a shorter triangular patch just before tornus, both these brown 

 markings sharply defined and edged with white; ocelloid patch 

 obscure, consisting of two silvery white vertical bars inclosing a dark 

 shaded patch of the ground color; cilia white, heavily peppered with 

 blackish and pale brown; veins 3,4, and 5 approximate at termen; 

 termen convex. Hind wing pale smoky fuscous; cilia slightly paler, 

 with an obscure, somewhat darker basal band. 



