328 LEPIDOPTEBA. 



common enough to prove seriously injurious. The same 

 observation will apply to that of the chocolate brown-eyed 

 Sphinx (Smerinthus myops), which lives on the wild-cherry- 



Fig. 156. 



tree, and to the walnut Sphinx (Smerinthus Juglandis), 

 which lives on the black walnut and butternut. The latter 

 species is destitute of eye-like spots on the hind wings. 



Of those belonging to the genus Sphinx proper, that 

 which heirs the specific name drupiferarum inhabits the 

 hackberry £ Celtis oceidentalis) and the plum-tree ; Sphinx 

 KalmicB inhabits the broad-leaved laurel (Kalmia latifolia) ; 

 the caterpillar of the Giordius is found on the apple-tree ; 

 that of the great ash-colored Sphinx ($. cinerea) on the 

 lilac ; Hyloeus on the black alder (Prinos glaber, &c.) 

 and whortleberry; and the curiously checkered caterpillar 

 of Sphinx eoniferarum on pines. Of the hog-caterpillars, 

 those of Choerocampa chcerilus and versicolor may be found 

 on swamp pinks (Azalea viscosa and nudiflord). The cater- 

 pillar of the white-lined morning Sphinx (DeUephila lineatd) 

 feeds upon purslane and turnip leaves ; and that of Deile- 

 fhila Ohamcenerii on the willow-herb (Epihbium angusti- 



folium). The clear-winged Sphinges, Se&ia pelasgus 15 (Fig. 

 156) and diffinis, are distinguished by their transparent 



wings and their fan-shaped tails. They hover over flowers, 



[ 16 S. pelasgw is 8. thisbe Fab. = S. cimUcifinirds Stephens = S. ruficaudis 

 Kirby. — Morris.] 



