67 



pores orange ; length, two and a half inches ; feeds on lilac, Syringa vulgaris; has been 

 also taken on the white ash, Fraxinus Americanus, and privet, Ligustrum vulgare. 



Pupa has tongue case detached and is contained in subterranean cell ; chestnut- 

 brown colour. 



Moth. — Head and thorax dark grey ; shoulder cases tipped with whitish with a black 

 line and a spot on each side ; abdomen dark grey, with a black dorsal line and alternate 

 black and white lateral demi-bands ; fore-wings dark grey, with black spot at base, a 

 fine black discal line and blackish lines across the wings ; hind-wings sordid grey, with 

 a broad median and a terminal black band. 



26. Sphinx drupiferarum. Abbot and Smith. 



Sphinx drupiferarum, Abbot and Smith. 



Hubner. 



Walker, C. B. M. 

 Clemens, Syn. N. A. Sph. 

 Morris, Syn. N. A. Lep. Sm. Ins., p. 197. 

 Harris, Ins. Inj. Veg., p. 328. 



Lethia " 

 Sphinx " 



Fig. 38. 



Larva (fig. 38) when full-grown measures about three inches, apple-green colour ; 

 head green, with lateral brown or black stripes ; on the sides are seven broad oblique 

 bands, white, bordered in front with light purple or mauve ; breathing pores distinct 

 and of a bright orange colour; caudal horn long, dark brown, yellow at base ; body 

 cylindrical and smooth ; feeds on the plum and hackberry {Celtis occidentalis.) Appears 

 in July and August. Enters the ground for transformation. 



Fig. 39. 



Pupa (fig. 39) about one and a half inch long, dark reddish-brown ; has a short 

 thick projecting tongue case. 



