184 



NOTODONTINA 



[tephkoclystis 



dark grey 

 Erica, etc. 



s[)iracular yellow 

 6, 9. 



on flowers of Ulex, Cytisus, 



6. Tephkoclystis, Hh. 



Face with short cone 



of scales. Antennae in $ ciliated. 

 Palpi rough - scaled. Abdomen 

 crested throughout, sometimes 

 slightly. Forewings : areole 

 simple. Hindwings : 8 anastomos- 

 ing with cell to beyond middle. 



A large genus, principally char- 

 acteristic of the European region, 

 Forewing of Tephrociystis oblongata. ^^^^ numerous in S. Asia and North 



America. The large number and great similarity of the species 

 renders their determination difficult without considerable 

 experience. 



1. Posterior half of thorax white 



,, „ ,, not white 



2. Thorax anteriorly fuscous . 16 



,, wholly white 



3. Thorax with white central stripe . 



„ without white central stripe 



4. Abdomen with entire black subbasal ring 



„ without entire black ring 



5. Forewings in disc white . 



,, ,, not white 



6. Median line black throughoiat 



,, ,, not black throughout 



7. Forewings with dark grey band and two 



ochreous fasciae 

 „ not so marked . 



8. Median band interrupted with ochreous 



„ ,, not interrupted with ochreous 15. linariata. 



9. Forewings without discal dot . . .10. 

 ,, with dark discal dot . . .11. 



Abdoiuen towards base suffused with pale reddish 



2. 

 . 3. 



succenturiata. 

 11. oblongata, 

 insigniata. 

 . 4. 

 5. 

 7. 

 irriguata. 

 . 6. 

 1. venosata. 

 2. expallidata. 

 reddish- 



. 8. 

 . 9. 

 14. pxdchellata. 



34. 



33. 



10. 



11. 



12. 



Zl. isogrammaria. 



„ not reddish towards base 23. pygmaeata. 



Forewings more or less distinctly elongate . 12. 



,, not elongate . . . .27. 



Cilia of hindwings conspicuously barred . .13. 



,, ,, not conspicuously barred . 15. 



