INSECTS INFESTING CORN. 



295 



When fully grown it measures about one inch and six lines in 

 length. It sometimes assumes the pupa form in its burrow, 

 but usually descends to the ground, which it enters and forms a 

 smooth cell (Fig. 291d) in which to undergo its transforma- 

 tions. 



Fig. 291. Fig. 291.— Corn- 



worm ; c, the 

 w o r m — colors, 

 green and brown ; 

 (J, the pupa in its 

 cell — color, 

 b r own; c, the 

 moth with wings 

 expanded ; f, the 

 same, Avith wings 

 close d — color, 

 pale yellow tinged 

 with olive-green ; 

 a, an egg, side 

 view, highly mag- 

 nified; 5, the 

 same, top view. 

 The fore-wings of the perfect moth (Fig. 291, e and/,) 

 expand about one inch and six lines, are of a pale yellowish 

 color, sometimes tinged with olive-green and reddish mark- 

 ings. Near the center of each wing is a blackish spot, and 

 near the outer margin is a dusky sjjot. The hind wings are 

 paler, with a blackish outer border, and containing a light 

 colored spot in the center. 



The caterpillar of this moth will bite human flesh. A case 

 occurred in the city of Sacramento, where the arm of a baby 

 was attacked by one of these worms until it bled freely ; and 

 several other cases have been reported. 



Remedies. — Use No. 5 or 7 ; spray the ears of corn to pre- 

 vent the moth from depositing eggs on them. 



