166 BUIXETIN 123, UNITED STATES NATIONAL MUSEUM. 



5. Fore wing v/ith a broad white band along costa and with white ocelloid 



patch (4) naracana. 



Fore wing without sucli G 



6. Ground color of fore wing bright verdegris green ~(5) moffatiana. 



Ground color of fore wing olivaceous green (1) aesculana. 



KEY TO THE SPECIES ACCORDING TO SEX SCALING OF THE MALES. 



1. No black sex scaling on either fore or hind wings (2) crescentana. 



More or less black scaling present, at least on hind wing 2 



2. Sex scaling on underside of wings only 4 



Sex scaling also present on upper side of hind wings 3 



3. Sex scaling along costal edge and covering outer half of fore wing on under- 



side; outer two-thirds of underside of hind wing so scaled, except costal 

 area above vein 8 ; entire upper surface of hind wing below vein 8 except 



extreme base heavily dusted with blackish fuscous \ ,„l arizonae. 



[ (7) obnigrana. 

 Sex scaling limited to a heavy streak below costa on underside of fore wing 

 and a black costal margin on upper and under side of hind wing. 



(1) aesculana. 



(2) willlngana. 



4. A thin streak of black scaling along basal two-thirds of costal edge on under- 



side of hind wing; on underside of fore wing a faint longitudinal sub- 

 costal streak near middle (4) naracana. 



Hind wings as above but no such scaling on fore wing (5) moffatiana. 



1. PROTEOTERAS AESCULANA Riley. 



(Figs. 7, 25, 299.) 



Proteoteras aesculana Riley, Trans. St. Louis Acad. Sci., vol. 4, 1881, p. 321.— 

 Baenes and McDunnough, Check List Lepid. Bor. Amer., no. 7130, 1917. 



Proteoteras aesculanum Packaed, Fifth Report U. S. Ent. Com., 1890, p. 655, — 

 Feenald, in Dyar List N. Amer. Lepid., no. 5219, 1903. 



The commonest and most widely distributed species in the genus, 

 somewhat variable in size and color but easily distinguished by the 

 characters given in the key. The larva bores in seeds, leaf stalks, 

 and terminal twigs of horse chestnut and maple. In the National 

 Collection we have series reared from both food plants. 



Male genitalia figured from reared specimens in National Col- 

 lection from Missouri (Murtfeldt, "73 1," July 23, 1883). 



Distribution according to specimens in National Collection, Amer- 

 ican Museum, and collection Barnes: Missouri, Kansas, Iowa, Illi- 

 nois, Ohio, Pennsylvania, New Jersey, District of Columbia, Mary- 

 land, West Virginia, Oregon, California, Ontario, Vancouver Island, 

 Manitoba. 



Ala?' expanse. — 11-18 mm. 



Type. — In National Collection, 



Type locality. — Missouri. 



Food plants. — Acer, Aesculus. 



