SPHINXES. 



149 



fruits of the tomato. It will also eat potato and tobacco leaves, and 

 in some parts of tlie country does great injury to the tobacco crop 



Maciosila quiiiquemaculatus. 



unless men are constantly engaged in " picking worms " from the 

 plants. 



Larva of Macrosila quiiiqueuiaculaUui. 



The larvse are usually green witli a curved caudal s})ine. Spec- 

 imens are occasionally found of a dark brown or black color. 



One can frequently locate the larva on its food plant by shaking 



