208 



NATURE STUDY AND LIFE 



mistaken for humming birds, that visit the flower beds at 

 dusk. The Pandorus sphinx, Philampclus paiidoriis, is one 

 of the largest and most beautiful of the group and from 

 tip to tip of expanded wings often measures more than 

 four inches. It is single brooded. The moths appear in 

 July and lay their eggs underneath the leaves of the grape 

 and Virginia creeper. 



One of the most common of our garden species is 

 the green grapevine sphinx, Darapsa myron. It is two 

 brooded, the moths of the first brood appearing during 

 the latter half of May, those of the second during the 

 latter part of July. The ^gg is laid on the under surface 

 of grape leaves and hatches into a yellowish-green larva 



Fig. 88. Green Grapevine Sphinx, from which Parasites have 



EMERGED 



with a long black horn near the posterior end. After 

 successive moults, with attendant changes in color mark- 

 ings, it appears as in Fig. 88. It is then about two inches 

 long, green, with yellow dots, white lateral stripes from the 



