HAWK-MOTHS OF THE VICINITY OF NEW YORK CITY 9 
1. Hemaris thysbe. 2. H., var. ruficaudis. 
3. H., var. floridensis. 
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 July and early in August. The 
variety ruficaudis (Fig. 2) is less common than thysbe. A 
second variety, floridensis, 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 Viburnum, Forms a pupa on the ground 
in a loose cocoon. 
4. Hemaris gracilis. 
Very rare in this neighborhood. Double-brooded, appearing 
