U. 5. Dept. of Agriculture, Manual of Dangerous Insects 



Plate XVIII. 



The Cotton Stem-Borer. 



The cotton stem-borer {Sphenoptera gossypii): a, Larva in stalk; b, larva; c, pupa in stalk; d, pupa; 

 e, adult; , adult on plant; g, parasite. (Maxwell-Lefroy.) 



