

[October 



Medford, Mass. (Trouvelot). Boston, (Sanborn, Shurtleff). Nor- 

 way, Me., (Smith, M. C. Z.)- Brunswick, Me. Flying Oct. 5. 



Orgyia deflnita, n. sp. 



Umber brown. Head, thorax, base and inner margin of primaries 

 more testaceous. A faint basal dark straight transverse line. Beyond 

 and near the linear lunate discal spot which is surrounded by the tes- 

 taceous brown, is an indistinct nearly straight line. An outer very dis- 

 tinct curved line, being straight from the costa to where it is angulated 

 on the 5th subcostal nervule, and again half way between the discal 

 spot and internal margin. Beyond this line on the costa is an oblong 

 (lark well defined spot succeeded by a submarginal row of dots, ending 

 ill a wuite spot near the internal margin. 



Beneiith lighter. Lines faintly seen beneath, the outer one extend- 

 ing faintly on to the secondaries, which have a discal dot. 



The markings are much more distinct in this species than in 0. hu- 

 cosfigma, while the outer line is angulated nearer the middle. 



Length of body 9 • -60; exp. wings, 1.20 inch. 



Boston, (Sanborn). 



Orgyia vetusta Boisd. 



Orgyia vetusta Boisd., Lep. Cal. (Ann. Ent. Soc. France), p. 49. (1852.) 

 Walk., List Lep. Br. Mus. Pt. IV. p. 786. (1855). 

 Morris, Synopsis Lep. N. Amer. p. 250. (1862). 

 California, (Boisd.). 



PARORGYIA nov. gen. 



Body stout. Head broad and square in front. Antennae and palpi 

 much as in Orgyia. The thorax is provided with a median tuft of me- 

 tallic scales. The fore wings of the male are shorter than the body ; 

 costa a little bent at the outer third; outer margin hardly oblique, con- 

 vex, base of the wing broader than in Orgyia. In 9 the wing is much 

 more pointed at the apex, and the outer margin is much more oblique. 

 The secondaries in both sexes are more rounded at the apex than in 

 Orgyia. Abdomen tipped with a spreading tuft; on the second and 

 third rings a tuft of metallic scales. 



This genus more closely resembles Orgyia than the European Dasy- 

 chira, of which D. jjudibunda is the type. Much larger than Orgyia, 

 the palpi are shorter, more drooping, the antennae are provided with 

 shorter pectinations, and the primaries have the costa straighter in the 



