enarmonia] EPIBLEMIDAE 473 



7. Central fascia ferrugiiious-ochreous towards dorsum 



9. ratzeburgiana. 

 „ not ferruginous -ochreous towards 



dorsum . . .8. 



8. Head and thorax ferruginous-ocbreous . 7. rnfimitraTia. 



,, not ferruginous-ochreous . 9. 



9. Central fascia obtusely angulated near dorsum 10. corticana. 



„ straight . . .6. 2^^'>^'^<^olana. 



10. Forewings with ferruginous apical patch 3. ruhiginosana. 



„ without ferruginous apical jjatch . 11. 



11. Central fascia and edge of basal patch darker dorsally 



4. qtiadrana. 

 „ „ „ not darker dorsally 



8. vacciniana. 



1. E. cruciana, L. {itagustami, Hb.) 13-15 mm. Forewings 

 from light greyish-oclu'eous to ochreous-whitish, with a few 

 black scales ; basal patch slightly darker, more fuscous dorsally, 

 edge straight, oblique ; central fascia and broad terminal fascia 

 deep ferruginous, sometimes mixed with dark fuscous, confluent 

 on lower half, enclosing a pale triangular costal spot sometimes 

 edged with silverj'-metallic and on costa with white. Hind- 

 wings dai-k fuscous, lighter anteriorly. 



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

 N. America ; 6, 7. Larva pale yellow ; head light brown ; plate 

 of 2 yellow or pale brownish : on Salix caprea and ;S^. repens ; 5. 



2. E. simplana, F.R. 12-13 mm. Face clear white. Fore- 

 wings naiTow, white, partly suffused with w^hitish- ochreous, 

 costa and dorsum strigulated with black ; basal patch dark ashy- 

 fuscous, l)lack-marked, edge angulated below middle, extreme 

 base whitish ; a spot on middle of costa, and a smaller one on 

 dorsum at f dark grey, black-marked; an interrupted black 

 terminal line. Hindwings grey. 



Kent, Cambridge, local ; Germany, Switzerland ; 5, 6. Larva 

 on aspen (Popnlus tremula) ; 7 (1). 



3. E. ruhiginosana, IIS. {hoiichardmia, Dbld.) 13-15 mm. 

 Forewings elongate, costa nearly straight ; dark grey, irrorated 

 with whitish, costa posteriorly spotted with black and white ; 

 a fascia limiting basal patch with slight posterior median pi'o- 

 jection, and central fascia suffused with ferruginous, black- 

 marked, space between them Avhite towards dorsum ; a clear 

 ferruginous triangular apical patch, including a grey stria, and 

 several black dashes near anterior edge. Hindwings fuscous, 

 darker posterioi'ly. 



