BOARMID.-E—FIDONIA. 15 



has a beautiful specimen, taken in the same county, of which 

 the costal and apical dark areas of the fore wings are of a 

 peculiarly rich deep brown-black, and the hind wings wholly 

 smoky-black except a single yellowish dash ; he has also a 

 gynandrous example in which the right side is male and the 

 left female. 



On the wing at the end of May, and in June, in the north 

 lasting into July. 



Larva smooth, elongated, cylindrical or very faintly taper- 

 ing towards the head, which is fairh^ large ; bluish-green or 

 whitish -green ; dorsal line white or pale yellow edged on each 

 side by a black fine line ; subdorsal line white, similarly 

 edged ; spiracular stripe broader, pale yellow, edged above 

 with dark green ; undersurface striped alternately with dark 

 and light green ; spiracles deep yellow ; head of the colour of 

 the body, and exhibiting the same stripes, which are complete 

 from this to the anal extremity ; divisions of the segments 

 edged with greenish-white ; feet dark green. 



August till October upon Scotch fir {Finns sylvcstris), 

 feeding upon tlie leaves (needles), to which from its colour and 

 complete longitudinal lines it bears a most accurate resem- 

 blance. Also on larch and silver and other firs. 



Pupa very compact, short, thick and shining; wing-covers 

 thickened ; limb-covers very smooth ; antenna-cases just 

 showing the pectinations ; sculpture of incised lines on the 

 wing-covers excessively minute and the pitted dotting of the 

 segments also minute and rather sparing ; hinder portion of 

 each segment smooth, and distinctly banded ; anal segment 

 bluntly rounded off and having a thick cremaster in the form 

 of a flattened cone, hollowed beneath and tapering to a short 

 spike. Colour of the wing and limb-covers deep dark greenish- 

 brown or olive-black, of the dorsal region and abdominal 

 segments dark red-brown, of the cremaster black-brown. 

 Among the fallen fir needles on the ground, at about one and 

 a half inches deep, in a very slight silken cocoon. 



