572 



T1NEINA 



[l'AI.TODOIU 



Second discal stigma black . . 1. striatdla. 



)> ti ,, absent . . 2. cytisella. 



1. P. striatella, lib. 11-13 mm. Head oclireous- whitish. 

 Forewinga dark brown; an indistinct ochreons-whitish longi- 

 tudinal line in disc and another along fold, interrupted on 

 anterior stigmata; second diseal stigma black; a fine white line 

 from J of coata to termen ; some whitish dashes in cilia. 

 Hindwings dark grey. 



Kent to Hants and Cambridge, local ; 0. Europe, WC. Asia 

 to N. Persia, N. America; 7, 8. Larva in stems of Tanacetum; 

 10-5. 



2. P. cytisella, Curt. 10-11 mm. Head oclireous- whitish. 

 Forewiuga oclireous -yellowish, towards costa sprinkled or 

 suffused with fuscous ; a yellowish-white streak from $ of costa 

 towards termen, not reaching it ; usually an indistinct out- 

 wardly oblique whitish tomal mark. Hindwings grey. 



England, S. Ireland, rather local ; (!. and SK. Europe ; 7. 



/ 



4. ArusToiEUA, Illi. 



Second joint of labial palpi thickened with appressed scales 

 or sometimes rough beneath, terminal nearly as long or longer. 

 Forcwings : 6 sometimes out 

 of 7, rarely 7 and 8 out of 6. 

 Hindwings 1 or somewhat less, 

 elongate^ trapezoidal, apex 

 pointed, produced, termen sinu- 

 ate or emarginate, cilia l|-3; 

 3, 4, 5 remote, nearly parallel, 

 6 and 7 remote or somewhat 

 approximated. 



A genus of some extent, but 

 principally characteristic of the 

 Northern hemisphere. Imago 

 „ with forcwings elongate, narrow, 

 pointed. 



1. Forcwings with pale transverse markings before 



middle . . . .2. 



„ without such markings . . 7. 



2. Forcwings bright orange . . . 1. hermannella. 



,, not orange . . . .3. 



3. Forcwings whitish-oehreous . . 7. brizella. 



,, not whitish-oehreous . . .4. 



^^^ 



