180 Illinois State Laboratory of Natural History. 



Cervical shield semicircular, anterior margin straight 

 and distinct, median lines usually narrowly but sharply 

 whitish. Piliferous tubercles of thorax indicated by dark 

 ring about base of hair; those of abdomen very indis- 

 tinct. Spiracles of anterior abdominal segments more 

 distinct, remaining ones minute and inconspicuous. 

 Ninth abdominal segment with hind margin above 

 broadly retuse, tenth feebly impressed above at middle. 



True legs stout and verj' broad, claws small, with 

 blackish tip and basal lobe ; posterior pair rather distant, 

 three or four times as far apart as the middle pair. 

 False feet very short, with the hook-bearing area very 

 narrow and inconspicuous, with two rows of light colored 

 hooks; last pair with merely a straight band of hooks 

 [Fig. 12]. 



Pt^jcx^.— Length 6-8 mm., breadth about 2 mm., rather 

 rapidly narrowed behind; smooth, pale yellowish, wings 

 and head darkening. Head with two small dehiscent 

 black spike-like pori-ect setae on the vertex. Spiracles 

 of segments 2-4, round, elevated, reddish brown, with a 

 pale center, and surrounded by a blackish ring; very 

 large, the anterior pair much smaller. Ventral sheath 

 reaching the seventh abdominal segment ; ninth with a 

 sharp tooth each side above lateral margin; last two 

 segments grooved and impressed below. 



H. peremptalis Gr. 



Examples of the imago have been taken by us at 

 Savanna, 111., in the immediate vicinity of the Mississippi 

 River, at lights and sugar, July 20-27. 



Pyrausta. 

 P. nelumhialls Smith.* 



* Additional information concerning this species has been recently secured, and I 

 take advantage of an opportunity to include it here. 



In the latter part of August, the larvae were common upon Nelumbo near Station 

 G. The younger larvae were feeding upon the upper surface of the leaves, especially 

 near their margins, beneath a slight web. The older larvae were mostly hidden In a 

 short burrow just large enough to contain them, excavated within the upper end of the 

 leaf stem; the opening of the burrow, in the center of the upper side of the leaf, being 



