i'si'.iidoi'ANTHUHa] SELIDOSKMIDAE 271 



obscurely darker; a whitish blackish-edged diseal spot. Hind- 

 wings as forewings, but first line absent; termen dentate. 



Britain to Boss, Ireland, rather local ; C. Europe, Asia 

 Minor ; 7, 8. Larva stout, grey, indistinctly darker-marked ; 

 dorsal line paler, especially on anterior part of each segment, 

 edged with oblique darker marks; 12 with two tubercles: on 

 grasses, Poterium, Helianthemum, etc.; 9-5. The imago varies 

 in depth of colouring somewhat in accordance with the soil of 

 its locality. 



6. P. obfuscaria, Hb. 38-44 mm. Head dark brown-grey 

 mixed with whitish. Forewings fuscous, strigulated with 

 ochreous- whitish ; first line slightly curved, second sinuate, 

 waved, dark fuscous ; subterminal ochrcous-whitish, waved ; a 

 dark fuscous usually pale-centred diseal spot. Hindwings as 

 forewings, but first line absent, diseal spot not pale-centred ; 

 termen waved. 



Lanark to the Hebrides, E. Ireland, common ; N. and 

 mountains of C. Europe, NC. Asia ; 7, 8. Larva stout, grey ; 

 dorsal line double, darker, posteriorly forming disconnected 

 V-shaped marks; subdorsal pale, blackish -edged, with thick 

 marks towards incisions ; spiracular darker, pale-edged beneath ; 

 12 with two tubei'clcs : on Cal/una, Genista, etc. ; 9-6. 



7. P. hippocastanaria, Hb. 28-31 mm. Head dark fuscous, 

 sometimes whitish - sprinkled. Forewings rather elongate, 

 fuscous, sprinkled with whitish and more thickly with dark 

 fuscous; lines obscurely whitish, dark-edged internally, first 

 sharply angulated in middle, second subsinuate, serrate ; a dark 

 fuscous diseal mark. Hindwings whitish -fuscous ; second line 

 faint, darker, curved. 



Kent to Somerset and Suffolk, local ; W. and S. Europe, Asia 

 Minor, N. Africa; 5. Larva dull olive-green; head large: on 

 Calluna and Erica ; 9-4. 



8. P. petraria, Hb. 27-32 mm. Head whitish,- ochreous. 

 Forewings light brownish-ochrcous, sprinkled with dark fuscous ; 

 first and second lines nearly straight, whitish, edged anteriorly 

 with dark brown, second more broadly ; subterminal faintly 

 whitish ; a dark fuscous diseal dot. Hindwings whitish-ochre- 

 ous, sprinkled with dark fuscous except towards costa ; second 

 line subsinuate, pale, suffuscdly edged with fuscous anteriorly. 



Britain to Perth, Ireland, common ; 0. Europe, WC. and N. 

 Asia, Japan ; 5, 6. Larva olive-green ; dorsal, subdorsal, lateral, 

 and spiracular lines double, reddish - brown ; subspiracular 

 whitish : on bracken (Pteris aquiiina) ; 6, 7. 



