548 NEW YORK STATE MUSEUM 



Ash sphinx 

 Sp/inix kalniiac Abb. & Sm. 



A stout, apple-green caterpillar about 3 inches long, with seven oblique stripes on 

 each side and with a light blue caudal horn, feeds on the leaves of ash, lilac and mountain 

 laurel. 



The parent insect is a very handsome hawk moth having a wing spread 



of about 31-2 inches. It maybe recognized by its narrow, yellowish brown 



fore wings margined on the outer part and posteriorly with brown. The 



head and thora.K are chestnut brown on the top and whitish or yellowish 



along the sides. A pair of light brown stripes e.xtend down the back and 



there is a series of five or six lateral transverse stripes on the abdominal 



segments. 



The full grown larva is three inches long with a rather small, flat head 

 of a clear apple-green color, yellowish on the sides and with a lateral black 

 stripe. The body is apple-green in color, lighter above and darker on the 

 sides. There are seven oblique stripes on each side, confined to one seg- 

 ment each, which are whitish through the middle, yellowish on the lower 

 side and dark blue, almost black on the upper side. The caudal horn is 

 light blue thickly studded with shining black tubercles, and is quite curved. 

 The caudal shield and anal plate are yellowish green and dotted with small, 

 black, elevated points. Spiracles, pale orange, their upper portion extend- 

 ing into the yellow of the bands. Legs, black and pearly at the base. 

 Prolegs with two black spots on the outside separated by yellow, or 

 connected posteriorly by a black line. Fcvnald 



Wavy ash sphinx 



Ccratouiia undulosa Walk. 



A variable, light green caterpillar about 1 3':( inches long, with reddish legs and 

 caudal horn and a series of seven oblique whitisli stripes on each side of the body, feeds 

 on the foliage of white and black ash, lilac and privet. 



This leaf feeder is not abundant as a rule, and the parent moth is a 

 magnificent insect having a wing spread of nearly four inches. It is rather 

 prettily marked with various shades of gray and dark brown or black, the 

 latter in more or less wavy lines at the base and near the apex of the fore 

 wings. The young pale greenish yellow larvae emerge from pale green 



