Clj£ dtanatiiaii ®nt0m0bgbt. 



VOL. XIII. LONDON, ONT., MAY, 1881. No. 5 



DESCRIPTION OF THE PREPARATORY STAGES OF 

 APATURA FLORA, Edw. 



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



Egg. — Similar to, egg of Clyton; nearly spherical, flattened at base, 

 marked by 18 or 20 slightly prominent vertical ribs, and by many fine 

 equi-distant striae : color yellow-green. Duration of this stage 6 to 7 days. 



Young Larva. — Length .8 inch ; cylindrical, tapering from segment 

 3 ; pubescent : color pale green, translucent ; head twice as broad as 

 next segment, sub-globose, bilobed, the surface thickly pitted with shallow 

 excavations ; color shining yellow or ochrey-brown. Towards the last of 

 the stage the body is less tapering, each segment well rounded ; down 

 middle of dorsum from 2 to 13 a dark green line, and another on upper 

 part of each side, the dorsal area between these side lines whitish-green ; 

 below the lines more decidedly green ; legs and feet green. To first 

 moult 6 days. 



After ist Moult.— Length .14 inch; body a little thickest at 7, taper- 

 ing slightly either way, the last segment ending in a forked tail ; the 

 surface closely covered with yellow and yellow-white tubercles, arranged 

 in longitudinal rows, and also in regular cross rows ; these tubercles are 

 stout at base, subconic at top, of irregular sizes, and at top of each is a 

 short white appendage ; on middle of dorsum a dark green stripe, and 

 another, but narrower, on upper part of side ; the dorsum is covered by 

 two bands of tubercles, divided by the green stripe, each band made up 

 of two rows, the outer row being whitish, the inner yellow ; below the 

 lateral stripe is another band of two rows, and as the stage proceeds these 

 separate, showing a dull green line between them, the lower row running 

 with the basal ridge of body ; the tails are divergent from base, are short, 

 tapering, rough with tubercles, and these gave out longer hairs than else- 

 where ; under side, feet and legs yellow-green ; head subquadrate, the 

 sides rounded, the front a little rounded, the top incurved ; whole surface 



