triphaena] CARADRINIDAE 107 



miual line somewhat paler. Hindwings light fuscous, darker 

 terminally. 



Perth to Aberdeen, local ; N. and C. Europe, NW. Asia • 7. 

 Larva brown -reddish ; sides grey -freckled ; dorsal and sub- 

 spiracular lines pale ; dots minute, black ; head brownish- 

 ochreous : on birch and Calluna ; 9-6. 



6. T. rubricosa, F. 31-35 mm. Antennae in S serrate, 

 ciliated. Forewings reddish -fuscous, much suffused with 

 purplisli-gi'ey ; lines somewhat lighter, obscurely darker-edged, 

 more strongly on costa ; median shade darker ; orbicular and 

 renifoi'm darker -outlined, lower end of reniform dark grey. 

 Hindwings fuscous, darker terminally. 



Britain to the Orkneys, N. and E. Ireland, common ; N. and 

 C. Europe, N. Asia ; 3, 4. Larva ])inkish-brown, with suffused 

 dai'ker median segmental bands ; dorsal line obscurely paler ; 

 subdorsal nari-ow, interrupted, pale yellow ; spiracular pale 

 brownish, anteriorly yellow; head pinkish-brown, darker-marked : 

 on Humex, Plantac/o, SteUaria, etc. ; 4-6. 



7. T. leucographa, 7/6. 33-36 mm. Antennae in $ bipecti- 

 nated. Forewings reddish-brown, median and terminal areas 

 darker ; veins somewliat whitish-sprii:ikled ; lines more or less 

 whitish-sprinkled, obscurely darker-edged ; median shade some- 

 what darker; orbicular and reniform edged with wliitish-ochre- 

 ous irroration. Hindwings whitish, tinged with reddish-fuscous. 



England, local ; C. Europe ; 3, 4. Larva pale green or 

 reddish-ochreous, dai'ker-irrorated : dorsal and sometimes sub- 

 dorsal lines pale ; sometimes a lateral series of dark oblique 

 streaks; spiracular line pale greenish or whitish : head greenish: 

 on Salix, Jiuuiex, Plantago, etc. ; 5-7. 



8. T. hyperborea, Zett. (carnica, Hering; alpina, Stt.) 35-40 

 mm. Antennae in $ bipectinated. Forewings light brownish, 

 more or less I'eddish, irregularly and sufFusedly irrorated with 

 whitish ; subbasal, first, and second lines pale, dark-edged ; 

 spots edged with dark fuscous, orbicular and reniform large, 

 orbicular whitish-suffused, reniform more brownish or ferrugin- 

 ous ; median shade darker. Hindwings light fuscous, darker 

 terminally. 



Perth to the Shetlands, at high elevations, scarce and local ; 

 mountains of N. and C. Europe ; 7, 8. Larva deep brown-red ; 

 dorsal diamonds of blackish freckles ; subdorsal line light 

 greyish-ochreous, partially blackish-edged above; subspirncular 

 oV>scui'ely pale ; head brown : on Empetrum, Arbutus, and 

 Vaccinium ; 8-6. 



