50 CARADKININA [polia 



3. Forewings whitish-green . . .13. aprUina. 



„ not whitish-green . . .4. 



4. Forewings with blackish median dash from base . 5. 



,, without blackish basal dash . . 10. 



5. Basal dash furcate . . .8. ormtliopus. 



,, ,, not furcate . . . .6. 



6. Antennae in S pectinated . .10. viimnalis. 



„ „ not pectinated . . .7. 



7. Forewings with black central submedian dash . 8. 



,, without such dash . . .9 



8. Claviform defined . . .7. furcifera. 



,, obsolete . . .6. lambda. 



9. Orljicular and renifoi'm connected by claviform 9. areola. 



,, ,, ,, separate . . 5. socia. 



10. Antennae in c? bipectinated . .11. Uchenea. 



„ ,, not bipectinated . . .11. 



11. Claviform confluent with orbicular . 12. 2'rotea. 



,, separate or absent . . .12. 



12. Subterminal line edged with yellowish spots . 13. 



,, ,, not yellowish-edged . . 14. 



13. Hind wings with two darker shades . 15. flavicincta. 



,, without darker shades 16. xanthomista. 



14. Second line black- marked opposite claviform 14. chi. 



„ ,, not black-marked . . .15. 



15. Forewings with dorsal half red-brown . 4. scmihrunnea. 



,, ,, ,, not red-brown 3. soJidaginis. 



1. P. exoleta, L. 54-60 mm. Thorax ashy -blackish, sides 

 whitish, collar brownish. Forewings whitish -ochreous, rosy- 

 tinged, much suffused and streaked with light fuscous ; oi'bi- 

 cular transverse, fuscous, reniforni ochreous-whitish above, 

 blackish beneath, both edged with a pale dark-margined rim, 

 reniform followed by a blackish suffusion ; subterminal line 

 obscurely pale, twice shar[)ly dentate below middle, preceded in 

 middle by a short black dash. Hindwings fuscous, suffused 

 with pale rosy-ochreous basally. 



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

 WC. Asia ; 9-4. Larva green ; lateral line yellow, surmovuited 

 on each segment by a pair of connected white black -circled 

 dots ; spiracular red, sometimes interrupted, white-edged be- 

 neath, marked with triplets of white black-circled dots : on 

 Carduui<, Si/cnc, Ononis, etc. ; 5-7. 



2. P. vetusta, ///>. 50-57 nun. Ditt'ers from F. exoleta as 

 follows : forewings whitish - ochreous, towards costa more 



