POLIA] , CARADRINIDAE 53 



Forewings fuscous, sometimes much suffused with whitish ; a 

 black median dash from base, edged above with ochreous- 

 whitish; subbasal line whitish, followed by a black mark in 

 disc ; orbicular and reniform subquadrate, edged with whitish, 

 partly outlined with black ; first and second lines obscure, 

 sometimes connected by a black dash below middle; sub- 

 terminal whitish. Hindwings grey, lighter anteriorly. 



Britain to the Orkneys, Ireland, common ; N. and C. Europe, 

 NW. Asia ; 7. Larva whitish-green ; dorsal, subdorsal, and 

 spiracular lines white, indistinct : on willow (Salix) ; 5, 6. 



11. P. lichenea, Jib. 33-36 mm. Antennae in $ bipectin- 

 ated. Forewings light greenish -grey ; subbasal line partly 

 blackish -edged; first and second obscurely pale, internally 

 black-edged; second followed by a whitish or ochreous suffusion; 

 orbicular and reniform edged with whitish or ochreous, partly 

 outlined with black ; claviform small, roundish, black-edged ; 

 subterminal line whitish or pale ochreous, preceded by dark 

 spots. Hindwings in < white, in <j> grey-whitish, with two 

 grey posterior lines ; a grey discal dot. 



W. England to Lancashire, Kent, Sussex, York, E. Ireland, 

 local ; WC. and SW. Europe ; 8, 9. Larva pale dull green 

 or brownish, reticulated with darker ; spiracular line pale green ; 

 head yellowish or vellow-brown : on Scabiosa, Senecio, ftumex, 

 etc.; 11-5. 



12. P. protea, Bkh. 32-35 mm. Forewings light brown, 

 mixed with olive -green and whitish ; lines obscure, partly 

 blackish-edged ; orbicular and reniform edged with whitish, 

 claviform represented by an irregular whitish blotch confluent 

 with orbicular, edged by a black dash beneath ; suh terminal 

 line whitish, twice dentate below middle, partly blackish-edged 

 posteriorly. Hindwings whitish-grey, with dark grey subter- 

 minal suffusion ; discal mark outlined with grey. 



Britain to Ross, E. Ireland, common ; C. and SW. Europe ; 

 9. Larva pale greyish-ochreous or greenish ; dorsal line pale 

 yellowish, sometimes edged with dark fuscous ; spiracular 

 brownish or yellowish ; head brownish : on oak ; 4-6. 



13. P. aprilina, L. 40-48 mm. Collar edged with black 

 posteriorly. Forewings whitish -green ; lines white, waved, 

 subbasal edged with strong black marks, first and second 

 strongly black -edged internally, subterminal posteriorly : 

 median line black ; orbicular and reniform edged with white 

 and outlined with black, placed on a black bar reaching second 

 line ; claviform subquadrate, whitish, black-edged, placed above 



