43 6 



The Moths and Butterflies 



Exceedingly variable in color and pattern, it is usually yellow-green with a 

 conspicuous longitudinal row of elliptical spots on each side of the back, 



FlG. 626. Larva of Smerinthus geminatus. (After Lugger; natural size.) 



each spot consisting of two curved black lines enclosing a bright crimson 

 blotch and a pale-yellow line; all the spots are connected by a pale-yellow 



FlG. 627. Sphinx gordius. (After Lugger; natural size.) 



line edged above with black. Sometimes the larvae are black, with a 

 narrow yellow line along the back and a series of paler- and darker-yellow 



