112 INSECUTOR INSCITly^ MENSTRUUS 



No orange stripe or border along inner margin of fore wing. 



Two slender lines across the wing, median and subterminal. 



Subterminal line double; median with blotch on inner margin. 



pustulella Walker • 

 Lines single; no blotch on margin. 



Subterminal line continuous, distinct, followed by a costal triangle. 



tenella Zeller 

 Subterminal line obsolete below costa, without following mark. 



rileyella Dyar 

 No subterminal line, only a streak and costal triangle. 

 Palpi white tipped. 



Median line straight and erect, or broken, or obsolete. 

 Median line complete across wing. 



Costal triangle cut by a white line. 



Median line a uniform brown band ; hind wing pure 



white ..... multifacta Dyar 



Median line slender, a dot on costa and margin ; hind 



wing very pale yellow xanthoguma Dyar 



Costal triangle not cut by a white line . argyrodis Dyar 



Median line broken into dots or obsolete. 



Costal subapical triangle present, at least as a trace. 



A red stripe along costa . . tingurialis Dyar 



No costal stripe. 



Front of head white . . lacteella Fabricius 



Front of head with a rather broad brown stripe on 

 each side . . . diplomochlaliS' Dyar 



Costal subapical triangle absent. 



Fringe white at tip . . . . nivalis Drury 



Fringe entirely leaden brown . fimbrialis Dyar 



Median line straight, strongly oblique . . obliquella Schaus 



Median line excurved over cell, dotted . furvicornis Zeller 



Palpi entirely yellow or brown. 



Median line complete, sometimes thin or broken. 



Front of head white .... divisella Walker 



Front of head yellow .... mesogramma Dyar 



Median line obsolete except for costal and marginal dots. 



Front of head yellow like vertex . . . opposila Zeller 



Front of head white .... cenlrifugens Dyar 



No markings on the wing ..... simplex Zeller 



An orange stripe or dash on inner margin of fore wing. 

 Median band crossing the wing. 



No yellow on inner margin between median band and base; palpi long. 



auratella Clemens 



' Referable to Crambus and mentioned here only on account of its inclusion in 

 Platytes by Hampson. 



