12 AMERICAN LEPIDOPTERA. 



slight tuft on internal margin, outer margin crenulate ; venation as in Schisura 

 Male antennae fasciculate on the basal two-thirds; female simple. 



Type I. lignicolor Walk. The other species is coloradensis Hy. 

 Edw. 



The larvae closely resemble Schizura and Hyparjmx. 



Genus EUHYPARPAX Beutenmuller. 



1893.— Beutenmiiller, Bull. Am. Mus. Nat. Hist. v. 19. 



1894. — Neumoegen and Dyar, Trans. Am. Eut. Soc. xxi, 204. 

 Palpi short, vertex of head not tufted, vein 6 from the end of the cell, 10 from 

 the end of the accessory cell, which is rather short; on secondaries veins 6 and 

 7 on a short stalk. 



Type and sole species, E. rosea Beut. 



Genus HETEROCAMPA Doubleday. 



1841. — Heferocampa Doubleday, Entom. i, 5.5. 



1841. — Lochmseus Doubleday, Entomol. i, 57. 



1855.— Tadawa Walker, Cat. Brit. Mus. v, 990. 



1855.— Cecrita Walker, Cat. Brit. Mus. v, 992. 



1865. — Misogada Walker, Cat. Brit. Mus. x^xii, 449. 



1868. — Seirodonta Grote and Robinson. List Lep. N. Am. 1. 

 Palpi short, hairy, scarcely exceeding the front; no distinct anal tuft; vena- 

 tion as in Schizura; male antennaae shortly, or rather lengthily pectinated on 

 basal two-thirds ; female simple. 



Type H. astarte Doubld. The other species are obliqua Pack., 

 chapmaui Grote, lunata Hy. Edw., umbrata Walk., manteo Doubld, 

 (type of Lochmceus and Tadaiia), siibrotata Harv., be/fragei Grote, 

 biundata Walk., gidtivitta Walk, (type of Cecrita), bilinenta Pack, 

 (type of Seirodonta) and cinerea Pack, (type of Misogada). 



The characters used to divide this genus seem of insufficient value 

 in comparison with the other genera here treated. 



The larvae are smooth, green, without humps and are variously 

 marked ; frequently some of the tubercles are hypertrophied, espe- 

 cially in the earliest stages. 



Genus EITODONTA Harvey. 



1876. — Harvey, Can. Ent. viii. 5. 



1894. — Neumoegen and Dyar, Trans. Am. Ent. Soc. xxi. 208. 



Closely related to Heterocainpa, but differs in the female antennae 

 being pectinate and the somewhat different facies. I have included 

 it with Heterocampa in the synopsis given above. 



Type and sole species, L. hydromeli Harv. 



