,8 LEPIDOPTERA. 



brown cloud with a purple gloss, which occupies most part of 

 the middle area of the wing ; discal spot represented by two 

 obscure black dots placed in a large cloud of white atoms 

 from the costa ; second line sinuous, white, edged on both 

 sides with purple or toward the costa with purple-black, 

 and this last colour forms a costal cloud reaching to the 

 apex ; hind marginal area grey, dusted with purple and edged 

 with black streaks ; cilia shining grey. Hind wings mode- 

 rately ample ; the hind margin rather flatly rounded ; shining 

 smoky-white, margined behind by a double dark line; 

 cilia smoky-white. Female similar, the antenna? thread-like. 



Underside of the fore wings shining pale smoke colour, 

 with a tiny oblique yellowish streak on the costa before the 

 apex. Hind wings smoky-white, edged by a brown line. 

 Body as on the upper side. 



On the wing in July and August. 



Larva cylindrical, slender; head rounded and its surface 

 roughened, dark brown, base of the papilla) and a transverse 

 stre'ak above the mouth brownish-grey, the surface glisten- 

 ing ; dorsal and anal plates both black and shining ; body 

 deep chocolate-brown— when younger more olive-brown— 

 the skin smooth, but without gloss ; legs spotted with black ; 

 proleg3 semitransparent ; the four ocellated spots brownish- 

 grey with a black centre ; spiracles round, of the ground 

 colour; ventral prolegs placed much beneath the body. 

 (W. Buckler — condensed.) 



April to Juj^e on blackthorn (sloe), especially frequenting 

 the small bushes growing on open downs and sheep-walks, 

 which it sometimes denudes of leaves ; apparently welcoming 

 the tufts of wool left by sheep, as a means of concealment, 

 yet spinning together the leaves, and carrying the silken 

 tubes down the sprays to the main stem, and even to the 

 ground, carefully fixing pellets of excrement on the out- 

 side of the galleries. Occasionally also on hawthorn 

 bushes on chalk hills, twisting its silken gallery for several 



