NORTH AMERICAN LASPEYRESIHSTAE AND OLETHREUTINAE 149 

 26. EXARTEMA HIPPOCASTANUM Kearfott 



(Figs. 88, 224) 



Exartema Mppocastanum Keaefott, Bull. Amer. Mus. Nat. Hist., vol. 23, 

 1907, p. 155. — Barnes and McDunnough, Check List Lepid. Bor. 

 Amer., no. 6812, 1917. 



Cymolomia hippocastana Forbes, Memoir 68, Cornell Univ. Agri. Exp. Sta., 

 1924, p. 466. 



A large species with rich dark broTvn pattern markings, pale 

 areas of fore wing ferruginous-ocherous or rosy-ocheroiis, and basal 

 patch triparted (broken in three, longitudinally). 



Aside from the type series from North Carolina in the American 

 Museum I have seen onl}^ one other specimen, a male in the National 

 Collection from Gainesville, Fla. 



Female genitalia and harpe of male figured from paratypes in 

 American Museum. 



Bursa of female with signum. 



Alar expanse. — 21-22 mm. 



Type. — In American Museum. 



Type locality. — Black Mountains, N. C. 



Food plant. — Aesculus (Buckeye). 



27. EXARTEMA MERRICKANUM Kearfott 



(Figs. 91, 222) 



Exartema merrickanum Kearfott, Bull. Amer. Mus. Nat. Hist., vol. 23, 

 1907, p. 156. — Barnes and McDunnough, Check List Lepid. Bor. 

 Amer., no. 6810, 1917. 



Cymolomia merrickatm Forbes, Memoir 68, Cornell Univ. Agr. Exp. Sta., 

 1924, p. 466. 



Similar to corylanum Fernald; but distinguished by the dark shad- 

 ing on subapical bar of fore wing. The pretornal spot is normally 

 strongly shaded in merrichanu^n, never so in corylanum. Slight 

 differences in the genitalia are shown in the figures. 



Female genitalia and harpe of male figured from paratypes in 

 the National Collection from the type locality ("VII-13-03" and 

 "VI-29-04," H. D. Merrick). 



Bursa of female without signum. 



Distribution. — District of Columbia, Pennsylvania, New Jersey, 

 New York, Wisconsin, Missouri, Iowa, Ontario. 



Alar expanse. — 18-21 mm. 



Type. — In American Museum. 



Type locality. — New Brighton, Pa. 



Food plant. — Haniamelis. 



