158 PROC. ENT. SOC. WASH., VOL. XI., 1909. 



less between all the horns. Upper half of lateral space yellow-green, 

 lower half and lateral horns, with subdorsal horn of joint 13, clear 

 green, unmarked, the depressed spaces obscure. A slight green line 

 along subventral edge. Skin sparsely clear-granular. Length, 8 

 to 12 mm. 



Stage VIII. Elliptical, rather long, the sides parallel, arched at 

 the ends, thick and narrow ; dorsum arched slightly, the sides rounded 

 perpendicular. Dorsal space dark blue, only a narrow area left be- 

 tween the dorsal line and subdorsal ridge. Dorsal line crimson-red, 

 expanding irregularly in all the widenings of the dorsal blue space, 

 forming cross-bars in the largest widenings on joints 4-5 and 11-12; 

 a square crimson patch breaking the subdorsal band on joints 6-7 

 and 9-10. Subdorsal ridge yellow, roundedly widened at each horn, 

 the yellow edged with blue below as well as above and around the 

 crimson spots. Sides yellowish green. Depressed spaces unmarked, 

 the dorsal (1) only faint whitish. Skin densly clear-granular. Horns 

 stout, thick and rather short, the subdorsals of 5 and 11 longest, those 

 of 6 and 10 smallest, else no marked difference ; subdorsal ridge yellow, 

 with a red tint in the longest horns ; lateral horns green. Cervical 

 shield blackish, cut by greenish, with a red shade around. Large 

 caltrope patches on the lateral horns of joints 6-11, the horn of joint 

 12 shortened, with a patch of brown end-spines above it ; a similar 

 patch on the subdorsal horn of joint 13, which is also short. A nearly 

 complete yellow bridge between the subdorsals of joint 12. Later the 

 dorsal depressed spaces appear as pale blue clots in the livid purple 

 dorsal space. Length, 11 to 16 mm. 



Cocoon. The larva spun a brown cocoon between leaves, 

 refusing ground. 



Food plants. The first larva found by Mr. Knab was upon 

 an unknown plant, but it readily ate orange. The second one 

 was on Solanuni torvum, but was bred on rose. 



Actual date of issue, October j, igog. 



