236 NOTODONTINA [EOIS 



fuscous, enclosed band fuscous ; margins of subterminal pale 

 brownish-ochreous, anterior rather thick, waved; a blackish 

 discal dot in central band. Hindwings as forewings, but no 

 basal patch or central band, median and second lines light 

 fuscous. 



Sussex to Suffolk, Dorset, local ; WC. and S. Europe ; 7. 

 Larva pale greyish-ochreous ; dorsal area with dark brown lines 

 crossing one another, on 6-9 forming diamonds enclosing dark 

 crosses ; lateral series of dark brown marks ; head dark brown : 

 on Polygonum aviculare (T) ; 8-5. 



4. E. virgularia, Hb. (incanaria, Hb) 17-19 mm. Head 

 black, fillet white, collar grey. Antennae in <$ subdentate, cilia 

 1 J. Posterior tarsi in $ --. Forewings pale greyish-ochreous, 

 much sprinkled with blackish ; first line, median, second, and 

 margins of subterminal grey, subsinuate, second dotted with 

 black ; a black discal dot before median. Hindwings as fore- 

 wings, but first line absent, discal dot beyond median. 



Britain to Kincardine, Ireland, common (scarce in Scotland) ; 

 C. and S. Europe, Asia Minor, Syria, N. Africa, becoming more 

 whitish southwards ; 6-8. Larva brownish-grey or ochreous- 

 brown ; dorsal and subdorsal lines pale ashy or ochreous, on 

 5-9 indistinct ; sides streaked with dark brown ; 5-9 with pairs 

 of brown dorsal anterior leaf-shaped and posterior double V- 

 shaped marks ; head bifid, brown : on Polygonum aviculare (T) ; 

 8-5. 



5. E. straminata, Tr. (marginepunctata, Stph. ; circellata, 

 On.) 18-19 mm. Head black, fillet white, collar whitish - 

 ochreous. Antennae in $ subdentate, cilia 1^. Posterior tarsi 

 in ( J. Forewings pale greyish-ochreous, sprinkled with black, 

 first line, median, second, and margins of subterminal darker, 

 subsinuate ; a black discal dot before median ; terminal black 

 dots well-marked. Hindwings as forewings, but first line 

 absent. 



Kent to Devon, Bucks, Cheshire to York, local ; C. Europe, 

 WC. Asia to Turkestan ; 6-7. Larva pale ashy-grey ; dorsal 

 line pale, edged with black lines, stronger, interrupted, and 

 doubled on 5-10, sometimes confused; subdorsal pale, indistinct; 

 head grey, marked with dark brown : on Polygonum aviculare (?) ; 

 8-5. The scarce local form called circellata is less ochreous- 

 tinged, the lines greyer, first and second sometimes very strongly 

 marked ; it seems to replace the ordinary form in Cheshire and 

 Lancashire. 



6. E. perochraria, F.R. 16-20 mm. Head brownish-ochreous, 



