234 NOTODONTINA [eois 



1. Eois, Hb. 



Antennae in S ciliated with fascicles or evenly, rarely 

 {perochraria) with fascicles rising 

 fi'om very short paired processes. 

 Posterior tibiae in c^ without 

 spurs, in $ with end -spurs only. 

 Hindwings : 6 and 7 stalked, or 

 rarely separate. 



A large and generally distribu- 

 ted group, but most numerous in 

 the European region ; derived 

 from Leptomeris. Larva thickest 

 on 9 or 10, tapering forwards, 

 transversely wrinkled, head more 

 or less bifid ; pi-obably feeding on 

 various low plants indiscriminately, 

 Neuration of £oisayersafci. l^^^t most are Only known by 



breeding from the eggs of captured moths. 



1. Termen of fore wings with angular projection 14. emarginata. 



„ „ not angular . . .2. 



2. Wings purple and yellow . .1. muricata. 



,, not purple and yellow . . .3. 



3. Wings deep yellow-ochreous . . 6. perochraria. 



,, not deep yellow-ochreous . . .4, 



4. Forewings without discal dot . . 7. holosericata. 



,, with discal dot . . .5. 



5. Discal dot of forewings before median line . 6. 



,, ,, on or beyond median line 12. 



6. Wings blackish-sprinkled . . .7. 



,, not blackish-sprinkled . . .11. 



7. Praesub terminal line thickened . . 17. Idsetata. 



,, ,, not thickened . . 8. 



8. Second line black-dotted . . .4. virgularia. 



,, not black-dotted . . .9. 



9. Discal dot of hindwings before median line 5. straniinata . 



,, ,, beyond median line . 10. 



10. Cilial dots blackish . . .12. aversata. 



,, faint or absent . .11. inornata. 



11. Antemedian band reddish-grey . 13. degerieraria. 



„ ,, not reddish-grey 10. suhsericeata. 



12. Forewings with fuscous postmedian band 3. ruMicata. 



,, without such band . . .13. 



