150 



MOTHS AND BUTTERFLIES. 



the stems and listening for the snapping noise made by the jaws of 

 the larva as it swing's its head from side to side in a menacino- man- 

 ner. It is quite harmless, however. The pupa is interesting from its 

 tongue case, wliicli looks not unlike the handle of a jug. It is fre- 

 quently found while spading or plouglhng the garden. The pupa 

 passes the winter seveiul inches under ground, and works its way to 

 the surface in spring when it is about to break the pupa case and 

 emerge a perfect fly. (See figure on page 140.) 



This insect is widely distributed over the whole of the United 

 States and Canada. 



jMaciosila caroliua. 



The Carolina sphinx, MaerosUa Carolina, yQvy closel}^ resembles the 

 foregoing in all three stages of its existence, and also feeds on the 

 same plants. It is, however, a somewhat smaller insect, and the moth 

 is more brownish in color with less gray, while the black markings on 

 the lower wings run more together and are not zigzag as in quinque- 

 maculatus. The larva is green, stippled witli white dots, with seven 

 oblique whitish stripes, and a light longitudinal line extending along 

 each side. The stout caudal horn is usually bluish. 



They are frequently, among the country folks, considered ven- 

 omous, the caudal horn probably giving rise to the idea that they can 

 sting. 



A large caterpillar, which feeds on the leaves of the elm and is 



