24 HAWK-MOTHS OF THE VICINITY OF NEW YORK CITY 
found in this vicinity, but it should be searched for. The early 
stages are unknown. 
34. Sphinx eremitus, 
Quite rare and local in this vicinity It is double-brooded. 
The caterpillar feeds on spear-mint (Mentha) and wild bergamot 
(Monarda). Enters the ground to pupate. 
35. Sphinx plebetus. 
Rather common. Usually found in gardens about the trum- 
pet-vine, which is the food of the caterpillar. It is double- 
brooded, appearing in June and again late in July and early in 
August. Found from Canada to Florida and westward to the 
Mississippi. Enters the ground to pupate. 
