328 LEI'IDOPTERA. 



common enough to prove seriously injurious. The same 

 observation "svill apply to that of the chocolate broAvn-eyed 

 S})hinx (^Smerintlms myoi:)H)^ Avliich lives on the wild-cherry- 



tree, and to the walnut Sphinx (^Smcrinthus 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 bears the specific name drupiferaruin inhabits the 

 hackberry QCeltis occidentalism and the plum-tree ; SjjMnx 

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

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

 tliat of the great ash-colored Sphinx (^S. cinerea) on the 

 lilac ; Hylcem on the black alder (^Prinos glaber, etc.) 

 and whortleberry ; and the curiously checkered caterpillar 

 of SjjJdnx coniferarum on pines. Of the hog-caterpillars, 

 those of ChairocamjM chxrilus and versicolor may be found 

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

 pillar of the white-lined morning Sphinx (^DeilejjJula lincatd) 

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

 jjJnla Cliamcenerii on the willow-herb (^Epilohium angusti- 

 foliurn). The clear- winged Sphinges, Sesia pelasc/us^^ (Fig. 

 156) and diffinis, are distinguished by their transparent 

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



[ 15 S. pelnsgiis is S. thisbe Fab. = <S^ cimbidformis Stephens = S. nifcnwlis 

 Kirbj'. — Morris.] 



