HEM I MEN E] 



EPIBLEMIDAE 



501 



streaks from costa posteriorly and margins of ocellus bluish- 

 leaden-metallic ; three or more black dots on termen towards 

 middle. Hindwings dark fuscous, lighter basally. 



Essex, local ; Germany ; 6, 7. Larva whitish ; head pale 

 brown : in roots of Achillea ptarmica ; 8-4. 



2. H. alpinana, Tr. (politana, Gn.) 13-15 mm. Forewings 

 rather dark fuscous, much mixed or almost wholly suffused 

 with orange or bright ferruginous, costa posteriorly strigulated 

 with whitish ; a dull orange very 

 oblique transverse median dorsal 

 blotch, edges nearly straight; 

 two dark leaden -metallic very 

 oblique streaks from costa, pos- 

 teriorly; three black dots on 

 middle of termen, and a pale 

 subapical dash. Hindwings dark 

 fuscous, lighter basally. 



England to York, N. Ireland, 

 local ; Germany ; 6, 7. Larva 

 yellow-whitish; head light brown; 

 plate of 2 brownish -tinged : in 

 rootstocks of Achillea millefolium 

 and Tanacetum ; 10-5. 



Neuration of Hemimene plumbagana. 



3. H. quaestionana, Z. (alpinana, Stt.) 14-15 mm. Differs 

 from H. politana as follows : forewings broader, less orange- 

 mixed, termen less oblique, dorsal blotch broader, paler, more 

 distinctly denned, less oblique, more curved. 



England to York, local ; C. Europe, N. America ; 7, 8. 

 Larva pale yellow ; head dark brown ; plate of 2 pale yellowish- 

 brown : in rootstocks of Tanacetum vulgare ; 10-5. 



4. H. petiverella, L. (flavidorsana, Knaggs) 10-13 mm. 

 Forewings dark fuscous, posteriorly irrorated with pale orange- 

 ochreous, costa posteriorly strigulated with whitish ; a sharply 

 marked whitish -yellowish rather narrow curved transverse 

 median dorsal blotch ; two dark leaden-metallic oblique streaks 

 from costa posteriorly ; three or four black dots on termen 

 towards middle, and a whitish subapical dash. Hindwings 

 dark fuscous, lighter basally. 



Britain to Caledonian Canal, E. Ireland, very common ; N. 

 and C. Europe; 6-8. Larva pinkish -white; head yellowish- 

 brown ; plate of 2 brownish-tinged : in roots of Achillea mille- 

 folium and Tanacetum ; 9-4. 



5. H. sequana, Hb. 9-11 mm. Forewings dark fuscous, 



