272 BULLETIN 123, UNITED STATES NATIONAL MUSEUM. 



cotype of impar before me as well as in the specimens of shawiaria 

 they are distinctly stalked. 



Hendecaneura is closest to Zeiraphera Treitschke from which it is 

 distinguished by its more advanced venation and the possession of a 

 costal fold. The genitalia of the two are very close. As far as 

 known there is only one North American species. 



HENDECANEUKA SHAWIANA (Kearfott). 



(Figs. 429, 430.) 



Enarmonia sJiawiana Kearfott, Can. Ent., vol. 39, 1907, p. 154. 

 Laspeyresia shmciana Barnes and McDunnough, Check List Lepid. Bor. Amer., 

 no. 7209, 1917. 



In the male of this species there is a peculiar character which may 

 or may not be of generic value. The fore wing has a circular pit or 

 depression on the underside near the base of vein 15, destroying the 

 upper branch of the fork. This pit is entirely lacking in the female, 

 and 1& is normal. 



Male genitalia figured from specimen in the National Collection 

 from the type locality. 



Distribution according to specimens in National Collection, Amer- 

 ican Museum, and collection Barnes: New Hampshire and New 

 Jersey. 



Alar expanse. — 9-14 mm. 



T^pe. — ^In American Museum. 



Type locality. — Hampton, New Hampshire. 



Food plant. — Unknown. 



