vyraubta] TYRAUSTIDAE 



Perth to Ross, common on mountains; mountains of C. 

 Europe and C. Asia ; 7, 8. Larva yellowish ; spots black : 

 amongst spun leaves of Senecio ; 6. 



9. P. decrepitalis, IIS. 21-25 mm. Forewings very pale 

 greyish-oehreous, brownish -sprinkled, costa more brownish ; 

 lines fuscous, first indistinct, second serrate, slightly curved ; 

 round orbicular and 8- shaped discal spot brownish, darker- 

 edged ; posterior half of costa pale, dotted with fuscous ; a 

 subterminal sometimes broad brownish suffusion. Hindwings 

 whitish-grey ; two dark grey discal dots ; second line and sub- 

 terminal suffusion as in forewings. 



Perth to Ross, on mountains, local ; N. and mountains of C. 

 Europe ; 6, 7. Larva pale yellow ; dorsal line green, whitish- 

 edged ; subdorsal green ; lateral and spiracular whitish ; head 

 pale yellowish : in a slight web beneath fronds of Lastrea 

 spiwulosa ; 7, 8. 



10. P. olivalis, Schiff. 22-25 mm. Forewings greyish- 

 oohreous or brownish, densely sprinkled with dark fuscous ; 

 lines hardly darker, indistinct, second serrate, often posteriorly 

 whitish-edged, preceded in middle by a white spot, curved, 

 with abrupt deep sinnation inwards below middle ; large orbi- 

 cular and renilorm discal spot darker, separated by a subquad- 

 rate white spot ; posterior half of costa whitish, dotted with 

 dark fuscous. Hindwings white, dorsal half light grey; two 

 darl; grey discal dots; a fuscous terminal fascia. 



England to York, Ireland, very common ; C. Europe, Asia 

 Minor ; 6, 7. Larva light green ; dorsal line dark green ; spots 

 large, black ; head and plate of 2 blaek-freckled : amongst spun 

 leaves of Stachys, Urtica, Mercurialis, etc. ; 9-4. 



11. P. repandalis, Schiff. 22-26 mm. Forewings pale 

 whitish-ochreous, costa suffused with pale brown ish-oehreous ; 

 lines brown, distinct, first somewhat irregular, second sinuate, 

 with a short angular indentation below middle ; orbicular dot 

 and narrow discal mark brown, latter touching second line ; a 

 subserrate , brown subterminal line. Hindwings whitish; a 

 strongly marked grey broken postmedian line ; a grey subter- 

 minal line. 



Devon, local ; C. and S. Europe ; 7. Larva yellow-whitish, 

 with black dots ; head light yellow : amongst spun refuse or in 

 shoots of Verhascwm ; 5, 6. 



12. P. flavalis, Schiff. 23-27 mm. Forewings dull yellow, 

 near costa sometimes grey-mixed ; lines grey, first irregular, 

 second subserrate, somewhat curved, triangularly indented 



