polia] CAKADKINIDAE 51 



brownish-ochreous, dorsal half suftused irregularly with dark 

 red-brown, orbicular rounder, nearly obsolete, praesubterminal 

 black dash longer. 



Britain to the Shetlands, Ireland, common ; N., C, and 

 SW. Europe, N. Asia ; 9-4. Larva green ; dorsal and lateral 

 lines yellow; subdorsal series of white black -circled dots; 

 spiracular orange - yellow, blackish -edged above: on Rumex, 

 Trifoliiihi, Car ex, etc. ; 5-7. 



3. P. solidaginis, lib. 40-44 mm. Forewiugs light brown, 

 somewhat whitish -sprinkled, veins black; base whitish; first 

 and second lines obscui-ely whitish, dentate, second double 

 except towards costa ; orbicidar and claviform forming two 

 small obliquely placed whitish rings ; reniform large, Avhite, 

 enclosing a narrow-oval fuscous ring ; subterminal line white, 

 dentate, preceded by a series of black wedgeshaped marks. 

 Hindwings grey, paler basally, with darker discal spot. 



Devon, Hants, Warwick to Ross, local ; N. and C. Europe, 

 NW. Asia; 8, 9. Larva dai-k purplish-brown; doi-sal line blue- 

 grey, darker-edged ; spiracular broad, pale yellow, finely black- 

 edged above ; a black mark on front of 2 ; head pale brown : 

 on Vacciiihint ; 5, 6. 



4. P. semibrunnea, IIw. 37-42 mm. Abdominal crests strong. 

 Forewings narrow, liglit brown, dorsal half suftused with dark 

 reddish-brown ; oblique orbicular, and reniform obscurely out- 

 lined with pale ; lines very obscurely pale, dentate; subterminal 

 more distinct, sufi'usedly edged with reddish-brown, preceded 

 near dorsum by an elongate blackish-fuscous spot. Hindwings 

 light grey, dai'ker terminally. 



England to York, rather common ; WC. Europe, Austria ; 

 9-4. Larva bright green, irrorated above with yellow-white ; 

 dorsal line white ; subspiracular yellowish-white ; subdorsal and 

 lateral series of irregular whitish marks : on ash ; 5-7. 



5. P. socia, Hott. (jjetrificata, F.) 37-42 mm. Forewings 

 light brown, mixed with whitish-ochreous ; a slender dark fuscous 

 median dash from base ; orbicular and reniform pale, obscure ; 

 first and second lines vexy obscure, pale, dark-edged, dentate ; 

 median shade brown, distinct ; subterminal pale, dentate, 

 edged with reddish-brown. Hindwings grey. 



England, Ireland, local ; N. and C. Europe, NW. Asia ; 

 9-4. Larva pale green ; dorsal and lateral lines white ; head 

 black : on ash, oak, and Tilia ; 5-7. 



6. P. lambda, F. {Zinclcenn, Tr.) 37-42 mm. Abdominal 

 crests very slight. Forewings grey, violet - tinged ; a dark 



