144 BULLETIN 132, UNITElJ STATES NATIONAL MUSEUM 



ing of the harpe of its genitalia. So far represented only by the 

 tj'pe and paratype in the National Collection. 



Harpe of male genitalia figured from tj^pe. Female unknown 



Alar expanse. — 13 mm. 



Type. — In National Collection. 



Type iGcality. — Virginia. 



18. EXARTEMA EXOLETUM Zcller 



(Figs. 73, 227) 



Exartema exoletuni Zeh^ler, Verb. Zool.-bot. Ges. Wien, vol. 25, 1875, p. 

 270. — Feknald, in Dyar List N. Amer. Lepid., no. 5023, 1903. — Barnes 

 and McDuNNouGH, Check List Lepid. Bor. Amer., no. 6806, 1917. 



Cymoloniia exoleta Keaefott, Ius. of New Jers^ey, 1010, p. 538. — Forbes, 

 Memoir 68, Cornell Univ. Agr. Exp. Sta., 1924, p. 469. 



A striking species, easily distinguished by the suffused olivaceous- 

 gray fore wing with its conspicuous, strongly contrasted and en- 

 larged black apical spot. 



Male (harpe) and female genitalia figured from reared specimens 

 in National Collection from Orono, Me. (June 24 and 27, 1925; bred 

 from currant). 



Bursa of female without signum. 



Distribution. — Iowa, Illinois, Ohio, Pennsylvania, New York, New 

 Jersey, Maine, Ontario, Quebec. 



Alar expanse. — 14-16 mm. 



Type. — In Museum Comparative Zoology. 



Type locality. — Massachusetts. 



Food plant. — Gooseberry, currant. 



19. EXARTEMA BICOLORANUM McDunnough 



Exartema iicoloranum McDunnough, Can. Eut., vol. 54, 1922, p. 40. 



A small, dark, obscurely marked, cinnamon-brown species easily 

 distinguished by its white hind wings. So far represented only by 

 the male type and a specimen from Nova Scotia, and a doubtful 

 male from Duluth, Minnesota in the National Museum, (These 

 last two from the Fernald Collection.) 



Alar expanse. — 13-15 mm. 



Type. — In Canadian National Collection. 



Type locality. — Barrington Passage, Nova Scotia. 



20. EXARTEMA TENEBRICUM, new species 



(Fig. 74) 



Plapus whitish; second joint with a blackish fuscous dot on outer 

 side and a blackish fuscous shading at apex; third joint blackish. 

 Face, head, and thorax blackish fuscous with a slight admixture of 



