NORTH AMERICAN EUCOSMIITAE. 167 



2. PROTEOTERAS WILLINGANA (Kearfott). 



(Fig. 302.) 



Proteopteryx wilUngana Keakfott, Can. Ent., vol. 36, 1904, p. 306; Can. Ent., 

 vol. 37, 1905, p. 89. — Baknes and McDxtnnough, Check List Lepid. Bor. 

 Amer., no. 7125, 1917. 



This is a true Proteoteras with the same sex scaling as aesculana 

 and like that species in color except that the fore wings are gray 

 without the distinctly greenish olivaceous cast of aesculana. One 

 would naturally take it for a form or variety of Riley's species were 

 it not for its different genitalia. 



The larva is a gall maker in terminal twigs and leaf steams of box 

 elder. 



Male genitalia from specimen in National Collection from Cin- 

 cinnati, Ohio ("A. F. Braun, VI-1-05"). 



Distribution according to specimens in National Collection, Ameri- 

 can Museum, and collection Barnes: British Columbia, Saskatche- 

 wan, North Dakota, Kansas, Missouri, Illinois, Ohio, Maryland, Dis- 

 trict of Columbia. 



Alar expanse. — 15-20 mm. 



Type. — In American Museum. 



Type locality. — Eegina, Saskatchewan. 



Food plant. — Negundo aceroides. 



3. PROTEOTERAS CRESCENTANA Kearfott. 



(Fig. 301.) 



Proteoteras crescentana Keaefott, Trans. Amer. Ent. Soc, vol. 33, 1907, p. 

 49. — Baenes and McDunnotjgh, Check List Lepid. Bor. Amer., no. 7132, 

 1917. 



Easily distinguished by the heavy black crescent shaped band from 

 mid costa to apex of fore wing and the distinctly ochreous color of 

 the costal patch enclosed within the crescent. There is considerable 

 variation in the genitalia between eastern and northwestern speci- 

 mens suggesting two possible races but no corresponding color 

 or pattern differences. In the National Collection we have a speci- 

 men from Manhattan, Kansas, reared from box elder, and in the 

 American Museum there is one from Regina, Saskatchewan, labeled 

 " ex. pupa, in maple stem." 



Male genitalia figured from type. 



Distribution according to specimens in National Collection, Ameri- 

 can Museum, and collection Barnes : Maryland, Ohio, Kansas, Iowa, 

 Illinois, South Dakota, Manitoba, Saskatchewan. 



Ala7' expanse. — 16-19 mm. 



Type. — In American Museum. 



Type locality. — Plummer Island, Maryland. 



Food plants. — Acer and Negundo. 



