Clje Craten (fniowolopt 



VOL. XI. LONDON, ONT., JUNE, 1879. No. 6 



DESCRIPTION OF PREPARATORY STAGES OF PHYCIODES 



NYCTEIS. 



BY W. H. EDWARDS. COALBURGH, W. VA. 



Egg— Ovoidal, narrowing above, the base rounded, summit depressed ; 

 the lower third smooth ; nearly a second third marked by irregularly 

 hexagonal, very shallow cells ; and the remainder by vertical ribs, slightly 

 raised, terminating at the rim of summit ; color whitish-green. Duration 

 of this stage 9 to 13 days. 



Young Larya — Length .06 inch ; cylindrical, each segment well 

 rounded; color green, translucent; over. the surface many hairs; head 

 ob-ovoid, bilobed, the vertices rounded ; color dark brown. Duration 

 of this stage in June 10 days, in July 8. 



After First Moult — Length. 18 to .20 inch; color smoky-brown, 

 semi-translucent, the under side greenish ; armed with seven rows, one 

 dorsal and three lateral on either side, of stout, fleshy, tapering black 

 spines, each surrounded by many short black bristling hairs ; over feet a 

 row of minute similar spines, and on segment 2 a dorsal collar of small 

 spines ; head black, ob-ovoid, high, the vertices rounded, covered more 

 or less with black hairs. To next moult, in June 3 days, in case of the 

 larvae which proceeded to maturity ; in July, 3 to 4 days. 



After Second Moult — Length .24 inch; color black-brown, the 

 spines longer in proportion, with broad bases, all shining black ; under 

 side greenish-brown ; head as at last stage. To next moult, in June 4 to 

 5 days ; in July 4. 



After Third Moult— Length .34 inch ; color black-brown ; under 

 side smoky-brown ; at base there sometimes appears a broken yellow 

 stripe or narrow band, dotted with whitish, but most often the yellow is 

 wanting and the color of the ground is dull green •; behind the dorsal row 

 of spines are a few blue dots, arranged in two cross lines ; spines long, 



