MELANCHRA] CARADRINIDAE 87 



double series of oblique dark marks, darkest on 5 and 6 ; 

 spiracular whitish, sometimes edged above with oblique dark 

 marks; 12 prominent above: on Rumex, Pteris, Chrysanthe- 

 mum, etc. ; 8, 9. 



21. M. albicolon, Jib. 37-40 mm. Forewings fuscous, some- 

 what sprinkled with whitish and .dark fuscous; subbasal, first, 

 and second lines edged with dark fuscous ; spots outlined with 

 black, reniform with two white marks on lower posterior angle ; 

 subterminal line forming a series of ochreous- whitish dots. 

 Hindwings whitish-fuscous, with darker terminal suffusion. 



Britain to Caledonian Canal, E. Ireland, local; C. Europe, 

 NW. Asia ; 5, 6. Larva green ; dorsal line fine, pale, dark- 

 edged ; spiracular pale, including a darker line ; head pale 

 green : on Chenopodium, Atriplex, Sisymbrium, etc. ; 7, 8. 



22. M. myrtilli, L. 22-25 mm. Forewings ferruginous-red, 

 mixed with black and pale ochreous ; veins partly white ; sub- 

 basal line pale ochreous, white towards costa ; first and second 

 lines pale ochreous, internally black-edged, white on costa; 

 orbicular and reniform outlined with black, orbicular with a 

 white adjacent spot beneath ; subterminal line white. Hind- 

 wings orange-yellow ; base, costa, and dorsum narrowly blackish; 

 a broad black terminal band. 



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

 Europe; 6, 7. Larva green, sometimes brownish-tinged, with 

 scattered pale yellowish or whitish marks ; dorsal, subdorsal, 

 and spiracular series of whitish spots : on Erica ; 8, 9. 



23. M. cordigera, Thnb. 22-25 mm. Forewings dark grey 

 mixed with black, basal and terminal areas sprinkled with grey- 

 whitish ; first and second lines blackish ; reniform large, white, 

 including a blackish mark ; subberminal line indistinctly indi- 

 cated with blackish. Hindwings orange-yellow ; base and costa 

 blackish ; a black terminal fascia. 



Forfar to Caledonian Canal, local ; N. and C. Europe, 

 N. America; 5, 6. Larva purplish-brown mixed with black; 

 dorsal line whitish ; subdorsal indistinct ; subspiracular brown- 

 ish-ochreous, reddish-marked : on Vaccinium ; 7, 8. 



24. M. melanopa, Thnb. 25-31 mm. Forewings brown, 

 densely sprinkled with black and white ; first and second lines 

 black, more or less interrupted ; spots outlined with black ; 

 subterminal line indicated by several blackish spots. Hind- 

 wings white ; dorsum broadly dark grey ; a blackish discal 

 crescentic spot and terminal fascia. 



Lanark to the Shetlands, local ; N. and mountains of C. 



