LA RENTW.-E— OPORA BIA . i^i 



have broader fore wings of a beautifully white ground colour 

 and quite separate narrow transverse stripes. These may 

 probably be considered to be extremes of the variety of this 

 species which has been called autamnavia. 



On the wing in August and the first half of September. 



Larva stout and smooth ; head and second segment 

 shining green, with a blackish tinge ; general colour rich 

 velvety-green ; on each side of the dorsal vessel is a line of 

 paler yellowish-green ; subdorsal and spiracular lines sulphnr 

 yellow, the latter the more distinct ; between them is a faint 

 interrupted yellowish line ; segmental divisions orange- 

 yellow ; undersurface whitish-green ; spiracles yellow ; and 

 between them and the undersurface are a few freckles ; on 

 the back of each segment the tubercles appear distinctly as 

 minute yellow dots. (Eev. J. Hellins.) 



Or — Rich deep green, face green, and lobes of the head 

 dark brown ; dorsal line darker green between two lines of 

 greenish-yellow, the other lines as above. In others the 

 spiracles are black and the raised dots of the ground 

 colour. 



February or j\larch to April, May, or even the beginning 

 of June, on whortleberry ( I^rtcrmi'HjH rniirtiUnA}. V. rifis-idwa, 

 heather, and birch, and on sallow and hawthorn in confine- 

 ment. The winter is passed — till February — in the egg- 

 state. 



Pupa of rather dumpy figure, the abdominal segments 

 tapering to the tip, which is furnished with a small tapering 

 spike having two diverging hooks at the fine extremity ; 

 colour very dark brown, with rather a glossy surface. 

 (W. Buckler.) 



This moth loves to sit during the day upon a large stone, 

 or outcropping piece of rock, on a hillside, or even on the 

 black peaty earth among heather and Vaccinium, or in the 



