HAWK-MOTHS OF THE VICINITY OF NEW YORK CITY 9 



Hemaris thysbe. 



3. //., var. floridciisis. 



2. H., var. riificaudis. 



Very common, especially in gardens. Double-brooded. It 

 flies in the day in the sunshine during the latter part of May and 

 early June and again late in Juh- and early in August. The 

 variety riificandis ("Fig. 2) is less common than thysbe. A 

 second variety, floridcnsis, is very rare in this vicinity, but 

 is common southward. The species ranges from Labrador to 

 Florida and westward to the Mississippi. The caterpillar feeds 

 on different kinds of Vibitnui}]i. Forms a pupa on the ground 

 in a loose cocoon. 



4. Ilciiian's gracilis. 

 Very rare in this neighborhood. Double-brooded, appearing 



