SPHINXES. 149 
fruits of the tomato. It will also eat potato and tobacco leaves, and 
in some parts of the country does great injury to the tobacco crop 
Macrosila quinquemaculatus. 
unless men are constantly engaged in “picking worms” from the 
plants. 
Larva of Macrosila quinquemaculatus. 
The larvee are usually green with a curved caudal spine. Spec- 
imens are occasionally found of a dark brown or black color. 
One can frequently locate the larva on its food plant by shaking 
