SERICORID^E- CA RPOCA PSA . 1 59 



4. C. Juliana, Cad. — Expanse \ to § iuch (12-lG una.). 

 Fore wings blunt, white in the middle, base thickly dusted 

 with blue-black ; ocellus and hind margin deeply clouded 

 with the same. 



Antennae greyish- white ; palpi and head white ; thorax 

 slate-gre}^, shading to white ; abdomen black-brown. Fore 

 wings not broad ; costa without fold, very flatly arched ; 

 apex bluntly angulated, hind margin filled out ; white, the 

 basal area to the middle of the costa obliquely filled with 

 fine blue-black cloudy lines and shading ; this is closely 

 followed by a large curved band of the white ground colour 

 which occupies the middle of the wing and bends out 

 towards the apex ; costa dotted with black ; ocellus large, 

 filled by a double series of horizontal deep black streaks 

 and two lustrous blue patches ; hind margin clouded with 

 blue-black and brown, and edged with black ; cilia slate- 

 black. Hind wings dark smokj^-brown with the base paler ; 

 cilia white. Female similar. 



Underside of the fore wings black-brown with ochreous 

 margins; costa dotted with black; hind margin shaded 

 with lustrous blue. Hind wings glistening white with 

 blackish clouding. 



On the wing in June and July. 



Larva sluggish ; cylindrical, rather plump and wrinkled; 

 dull white, with a cross-bar of pale brown on the back of 

 each segment from the fourth to the twelfth ; raised dots 

 prominent, shining dark-red, bearing minute hairs ; head 

 pale brown ; dorsal plate dull white with a necklace of 

 black markings, forming a crescent round its posterior 

 edge ; anal plate black, shading paler behind. 



September and October ; in acorns and edible chestnuts ; 

 leaving them when they fall to spin up in or under the bark 

 of trees. It has also been known to spin up in an oak-gall, 

 and in rotten oak wood, and remains in this cocoon as a 



