102 INSECUTOR INSCITI^ MENSTRUUS 



should be transferred to section I, with the antennal pectina- 

 tions long. These are manifesta Morr. and monochromatea 

 Morr, According to the text, only females were before the 

 author at the time, which accounts for the misplacing. 

 The species referred to may be separated as follows : 

 Male antennae with long pectinations, running nearly to the tip. 

 Fore wing with the lines crenulate. 

 Stigmata present, blackish filled. 



Fore wing brown, often shaded with carneous at base, 



manifesta Morrison 



Fore wing light fawn-gray impingens Dyar 



Stigmata absent. 



No dark markings in median space, 



monochromatea Morrison 

 A dark patch between the obsolete stigmata, 



interclusa Walker 



PYRALID^ 

 Crambin^ 

 Platytes vobisne, new species. 



Fore wing silvery white ; a dark brown line through discal 

 fold to beyond end of cell ; a shorter line close to it above, 

 shaded with lighter brown ; a light brown mark from costa and 

 a dark brown line below cell, both converging beyond the end 

 of the first line, but not quite touching; a half line along sub- 

 median fold; an oblique line arising from middle of inner 

 margin, indented by the submedian half-line, then oblique to 

 the convergence point, where it ends ; a brown and black irror- 

 ate shade from it to termen ; an outer light brown line from 

 outer third of inner margin, sharply angled inward on sub- 

 median, then again outward to termen at convergence shade ; 

 a triangular brown patch at apex, with an oblique costal line 

 below it, running to convergence area; a dark terminal area, 

 triangularly widened above submedian ; fringe white, with 

 black-brown line and tip. Hind wing blackish, the fringe 

 white, interlined, the dark tip nearly obsolete. Expanse, 13 mm. 



Type, male, No. 22816, U. S. Nat. Mus. ; Elk Point, South 

 Dakota, August, 1913 (C. N. Ainslie) ; five paratypes, Port- 

 land, Connecticut, June 30, 1914 (B. H. Walden). 



Date of publication, March 18, 1920. 



