558 TORTKICINA [euxanthis 



almost straiglit, wliitish-ochreous, clouded and strigulated with 

 darker ; a few dark fuscous scales on costa ; an ochreous-bi'own 

 streak from dorsum before middle parallel to termen, reaching 

 rather more than half across wing ; a fuscous dorsal dot before 

 tornus ; a brownish terminal line. Hind wings rather light 

 grey. 



Britain to Argyll, N. and E. Ireland, ratlier local ; C. and 

 S. Europe, WC. Asia to N. Persia ; 5, G, 8. Larva whitish- 

 yellowish ; head black ; plate of 2 brown : in flower-heads of 

 Centaurea nigra ; 7, 9. 



3. E. alternana, Stph. {jiUjantana, Gn.) 19-25 mm. Differs 

 from E. stramiyiea as follows : fore wings with costa and dorsum 

 distinctly spotted with fuscous, antemedian streak usually more 

 or less mixed with dark fuscous, preceded and followed by paler 

 suffusions, a curved transverse deeper ochreous subterminal 

 suffusion ; hindwings in c^ more whitish-grey. 



Kent, Essex, York, local ; C. Europe ; 7, 8. Larva pale 

 yellow ; spots small, black ; head dark brown ; plate of 2 black- 

 brown : in flower-heads of Centaurea scahiosa ; 6, 7. 



4. E. aeneana, lib. 12-16 mm. Eorewings with costa 

 hardly arched ; deep orange ; costa and dorsum partly strigu- 

 lated with black ; rather broad very irregular central and 

 terminal fasciae black mixed with bright leaden -metallic. 

 Hindwings dark fuscous. 



Kent, Surrey, Middlesex, P]ssex, local ; Germany ; 6. Larva 

 in roots of Seneeio jacohaea ; 9-4. 



5. E. zoegana, L. 17-21 mm. Eorewings with costa moder- 

 ately arched; bright yellow or yellowish-ferruginous ; costal edge, 

 a small subdorsal spot before middle, and a large terminal 

 blotch with angulated edge including a spot of ground-colour 

 ferruginous-fuscous. Hindwings dark grey. 



Britain to Stirling, N. Ireland, rather common ; C. Euro])e ; 

 6-8. Larva in roots of Scahiosa cohmibaria ; 9-4. 



6. E. hamana, L. 17-23 mm. Eorewings with costa moder- 

 ately arched ; pale yellow ; base of costa, and a streak from 

 disc beyond middle to tornus ferruginous-fuscous ; sometimes 

 several irregular variable ferruginous marks towards margins. 

 Hindwings rather dark grey. 



Britain to the Clyde, Ireland, common ; G. and SW. Europe, 

 WG. Asia to N. Persia; G-8. Larva jirobably in roots of 

 Cai'duus. 



