562 WILLIAM T. M. FORBES 



nately, enclosing yellowish lunules beyond the postmedial and a fine dentate 

 yellowish line before the terminal dots, which are triangular and alternate with 

 the teeth of the subterminal line; a continuous brown line in base of fringe; 

 hind wing similar. Orbicular and reniform usually suffused brown patches. 15-20 

 mm. (plectilis Grote and Robinson; syringicola Packard). (H 47:47.) 



In dark specimens the wing suffused with brown, the yellow only showing in 

 small spots and streaks, except a postmedial patch on the costa, one between 

 the orbicular and reniform, and a larger one between the reniform and post- 

 medial line beyond cell. 



May to July; August. Larva in pith of elder. 



Generally distributed; very common northward. New York: common every- 

 where. 



** Outer upper spur of hind tibia of male almost half as long as inner, about as in 

 female; palpi beaklike, exceeding the head by tirice its length. 



t Fore wing exceptionally broad and squarish. 



1. P. f umalis Guenee. Fawn to chocolate brown ; lines dark, not strongly 

 dentate, single and contrasting; antemedial convex; postmedial somewhat excurved 

 above/ well out, nearly parallel to outer margin; angled on CU], and sharply con- 

 cave to inner margin, but only running halfway into cell; reniform a In mile or 

 obscured by a blackish patch. Hind wing grayer, with a slightly wavy post- 

 medial line parallel to outer margin, the disc often suffuse with dark gray. 

 22 mm. (H 47:55.) 



June to September. 



Nova Scotia to Pennsylvania and west. New York : Wilmington, Saranac Lake, 

 Old Forge, Newcomb, North Creek, Fen tons (Lewis -County), Honeoye Falls, Oak 

 Orchard Swamp, Ithaca, Big Indian Valley, Karner, New Windsor. 



ft Fore wing narrow, with short outer margin and arched costa. 



8. P. itysalis Walker. ' Luteous, the costa shaded with blackish, and orbicular 

 and reniform large and blackish; hind wing with obscure markings, whitish, 

 with a black dot on m-cu, as in P. ferrugalis. 28 mm. ( P. turmalis Grote, 

 hyperborealis Moschler, tillialis Dyar.) 



July. 



This species is transitional to Nomophila, but is easily distinguished from 

 N. noctuella by its light ground color and its less exaggerated wing 'form. 



Labrador; Mt. Washington, New Hampshire (5000 feet). Widespread in the 

 Western States. 



wing narrow, trianguUir, with straight er costa. 



9. P. roseopennalis H.ulst. Fore wing with oblique outer margin and subfalcate 

 apex; hind wing rounded; antennae annulate with rows of raised scales; front 

 oblique, palpi fully twice as long as head; hind wing with M 2 and M 3 well sepa- 

 rated, as in the last group of Loxostege. Fore wing pale yellow, with pink 

 costa, except sometimes in the subterminal region ; with the orbicular and reniform 

 partly confluent with it; pink outer margin, and a large patch on outer part of 

 inner margin, sometimes touching the reniform. Hind wing white, slightly yel- 

 lowish at the apex. 18 mm. 



May, June, and September. 



Virginia; North Carolina; New Brighton, Pennsylvania; Arizona. 



P. radiosalis Moschler, from Labrador, is unknown to me. 



