36o LEPlDOrrERA. 



times preferring those which grow on the edges of woods, or 

 the neighbouring hedges, or else in marshes ; it continues 

 on the wing rather late. A local and not very common 

 species ; found throughout the southern and eastern counties 

 of England and in i\tiddlesex, Herts, Hunts, Herefordshire, 

 Warwicksliire, and Westmoreland ; also at Tintern, Mon- 

 mouthshire. 1 know of no further localities in the United 

 Kingdom ; but abroad it is recorded from a great part of 

 North and North Central Europe, the Alps, and South-west 

 Germany ; also from -Japan and Labradoi'. 



2. P. picana, Fvod ; corticana, llaw. — Expanse \ to 

 i inch (18-21 mm.). Fore wings moderately broad; apical 

 third white with grey lines in the apex, basal two-thirds 

 black, but containing two large, basal, dusky white clouds. 



Antenna; dark brown, with a whitish gloss ; palpi and 

 head dull black-brown ; thorax black and white, mingled ; 

 crest black, abdomen black-brown, the segments edged with 

 grey. Fore wings blunt, the costa strongly arched ; apex 

 squarely angulated ; hind margin straight, almost jierpen- 

 dicular ; apical third of the wing white, thinly dusted ontlie 

 hind margin with grey-black ; basal blotch roiighly indicated 

 by scattered black angulated dots, w^hich lie in two large 

 whitish basal clouds ; central band broad and almost ei'ect, 

 black mixed with dark grey, its outer edge oblique and 

 pierced in the middle by a beak-like extension of the white 

 outer tint ; apical area faintly dotted with grey and having 

 three or four black dots near the hind margin ; cilia grey- 

 white. Hind wings smoky brown, with paler cilia. Female 

 similar. 



Underside of the fore wings pale smoky grey, broadly 

 dappled on the costa and cilia with dull white. Hind wings 

 smokj' white. 



On the wing in -hine and rluly. 



Lauv.\ apparently undescribeil. 



