EP1ISLKM1DAE 455 



21. Hindwings with 3 and 4 stalked . . 9. Knarmonia. 



„ „ „ not stalked . . 22. 



22. Thorax crested ..... 23. 



„ smooth . . . .6. Pami'lusia. 



23. Fore wings with 10 rising much nearer 11 than 9 



1. LoBBSlA, 

 „ „ 10 not nearer 11 than 9 5. Eucosma. 



1. Loisesia, Gn. 



Antennae in (J simple. Palpi moderate, porrected. Thorax 

 with posterior crest. Forewings with termen straight, 10 

 rising much nearer to 11 than to 9. Hindwings: 3 and 4 

 closely approximated at base, 5 approximated to 4, 6 and 7 

 closely approximated towards base. 



Restricted to the single species ; the imago flies freely in 

 the sunshine. 



1. L. permixtana, lib. {reliquana, Wilk., non Hb.) 11-12 

 mm. Forewings ferruginous- ochreous, somewhat mixed with 

 black ; a triangular blackish dorsal spot before middle, con- 

 nected with costa by a fascia of whitish-ochreous striae ; a 

 blackish triangular blotch on middle of costa, and a blackish 

 triangular tornal spot, more or less confluent ; some pale 

 strigulae on costa posteriorly. Hindwings in $ white, suffused 

 with dark grey towards apex, in $ blackish-grey. 



England, Ayr, S. Ireland, rather common ; C. Europe, WC. 

 Asia to N. Persia ; 5. Larva dark purple-crimson ; tubercular 

 spots small, white ; head and plate of 2 pale brown : on black- 

 thorn and birch ; 7, 8. 



2. Cnnosis, Gn. 



Antennae in $ shortly ciliated. Palpi moderately long, 

 porrected. Thorax with posterior crest. Forewings with ter- 

 men straight or slightly rounded. Hindwings : 3, 4, 5 rather 

 widely and equally remote, 6 and 7 connate or stalked. 



Only a few European species arc known. 



1. Forewings conspicuously narrow . . 2. littoralis. 



,, not narrow . . . .2. 



2. Forewings oohreous-whitish . . 1. fuliga/na. 



„ pale reddish-ochreous . 3. euphorbiana. 



1. C. fuligana, Ihv. (abscissana, Dbld.) 10-13 mm. Fore- 

 wings ochreous- whitish, strigulated with dark fuscous; basal 

 patch, central fascia, and terminal fascia narrowed to tornus 

 dark brown. Hindwings grey. 



