I 



ART. 8 IsrORTH AMEEICAX EUCOSMHSTAE — HEINEICH 13 



Male genitalia of juncticiliana figured from cotype in National 

 collection. 



Food plant. — Unknown. 



EUCOSMA DERELICTA, new species 



Figure 30 



Eucosma juncticiliana (authors, not Walsiagham) Fernald, in Dyar List 

 N. Amer. Lcpid., No. 5121, 1002 (part).— Kearfott, Proc. U. S. Nat. 

 Mus., vol. 28, 1005, p. 354; Can. Ent., vol. 37, 1905, p. 209.— Heinrich, 

 U. S. Nat. Mus. Bull. No. 123, 1923, p. 122, fig. 1.55. 



In color and markings similar to juncticiliana, though somewhat 

 more variable, the dark markings shading from tawny red to reddish 

 fuscous. 



Palpus tawny red. Head and thorax rosy whitish to tawny red. 

 Fore wing rosy whitish, minutely cross streaked with wavy lines of 

 tawny red or dark reddish fuscous, and shading to a dark oblique 

 central fascia outwardly margined by a white line (the latter usually 

 somewhat angulate toward costa) ; postmedian area paler, shading 

 to tawny red or dark reddish fuscous toward apex; in darker speci- 

 mens the pale ground color is less obvious^ the red more suffused, and 

 there is a more or less defined dark angulate basal patch; termen 

 edged by a black line; cilia of the ground color somewhat shaded 

 with red. Hind wing smoky fuscous; cilia sordid whitish with a 

 dark basal band. 



Right harpe of male genitalia figured. Genitalia also figured in 

 United States National Museum Bulletin No. 123 (fig. 155) over the 

 name juncticiliana. 



Alar expanse. — 12-18 mm. 



Type and paratypes. — Cat. No. 41210, U.S.N.M.; paratypes also 

 in American Museum, Canadian National, and Barnes collections. 



Type locality. — Try on, N. C. 



Food plant. — Solidago. 



Described from male type from the type locality ("8-13-04, Fiske, 

 collector"); one male paratype from Plummer Island, Md. (Busck, 

 August, 1903); two male parat5'"pes from Essex County Park, N. J. 

 (Kearfott, "July 22" and "Aug. 13"); one male paratype from 

 New Brighton, Pa. (Merrick, " VII-26-07 ") ; one male paratype from 

 Hampton, N. PI. (S. A. Shaw, " VII-25-1911 "); one male paratype 

 from Hymers, Ontario ("July 8-15 "); one male paratype from Kings 

 County, Nova Scotia (" 14-July-25"); one male paratype from 

 Bilby, Alberta (O. Bryant, "July 12, 1924"); one male paratype 

 from Fraser Mills, British Columbia (L. E. Marmont, "lO-VIII-20"); 

 two male paratypes from Hot Springs, Green River, Wash. ("July 

 8-15"); and one male paratype from Denver, Colo. (Oslar). These 

 are from a large series of males and females in the National, Ameri- 

 can Museum, and Barnes collections from Massachusetts, New 



