THE CANADIAN ENTOMOLOGIST. l2l 



After 3rd Moult — Length .8 inch ; same shape and general color, the 

 anterior segments a little darker, and their smfaces finely and thickly, but 

 indistinctly, dotted green ; the middle segments lighter colored and dis- 

 tinctly dotted green ; the side bands salmon color, the last segments a 

 redder salmon ; 13 white above base at extremity ; along base of body, 

 with and a little above the spiracles, a white macular band ; on dorsum 

 of 13 two small conical white processes (none on 12); on dorsum of 5 

 are two abbreviated bars of red-lilac, one on each side, in the subdorsal 

 row, and on 6 to 10 is a small rounded lilac spot on each in same row; 

 on the side of 8 to 10 one similar spot to each ; on 3 to 6 low rounded 

 knobs as at previous stage ; below the basal ridge is a small indistinct 

 blue-lilac spot on each segment from 6 to 11; the ocellus as at previous 

 stage, the buff ring now open at anterior side ; head as before, but green- 

 ish-yellow. • 



Towards the last of this stage the brown area has a green tinge, and 

 the green dots become quite distinct, and the side bands are greenish ; 

 the circlet of the eye-spot changes to red-buff. Later the top of the 

 anterior segments became olive green, the dorsum after 5 light green, 

 edged down the sides by dark green ; the side band pale green, as are 

 the last segments ; under side pale greenish-brown ; the lilac spots 

 unchanged ; the spots below spiracles blue. To next moult 4 days. 



After 4th Moult. — Length i.i inch; 9 days after the moult reached 

 maturity. 



Mature Larva — Length 1.6 inch ; cylindrical, the segments 3 to 5 

 much thickened, arched dorsally, then tapering to last ; color dull vel- 

 vety-green, on 3, 4, 5, and on 12, 13 nearly solid, but a Httle specked 

 with lighter green ; the other segments light and dark green in fine 

 markings ; the basal ridge whitish-green ; under this is a fine black line 

 from 3 to 12, and on 6 to 11 is a subtriangular blue spot in black edging 

 on each segment just below the line ; 2 has a narrow yellow ridge in 

 front, nearly flat on top, the curves rounded ; on anterior side of this and 

 next it is a black subdorsal dash on either side ; behind the ridge is a 

 black, rough or shagreened narrow band ; the scent-organs light yellow- 

 brown ; on the side of 4 is a black ocellus, upon which rises a rounded 

 vitreous black process, the circlet orange-red, having a black stripe within 

 its anterior edge, and a blue spot on its upper outer side ; on 5 to 1 1 are 

 four rows of small blue-lilac spots, each in fine black ring, two of the rows 



