platyptilia] PTEROPHORIDAE 435 



forming a darker dot, and followed by a whitish costal spot ; 

 an ochreous-whitish subterminal line ; apical | of terminal cilia 

 white. Hindwings dark ochreous-fuscous ; scale-tooth small, in 

 middle. 



England, E. Ireland, rather common ; C. Europe, N. 

 America ; 7. Larva green ; dorsal line darker or somewhat 

 brownish-tinged ; subdorsal and lateral grey-whitisli ; subspira- 

 cular white; head whitish -yellowish : in shoots of Achillea; 

 5, 6. 



7. P. ochrodactyla, Hb. {dichrodactylus, Miihl.) 23-27 mm. 

 Difters from P. Bert rami as follows : posterior tibiae with a 

 whitish band below middle -spurs ; forewings with apex more 

 falcate, more distinctly marked, apex of triangular sullusion 

 forming a distinct blackish dot ; scale-tooth of hindwings some- 

 what larger. 



England, local ; C. Europe ; 7. Larva green ; dorsal line 

 dark brown ; subdorsal and lateral gi-ey or whitish-grey ; sub- 

 spiracular grey-whitish ; head and plate of 2 pale yellowish : in 

 stems of Tanacetmn vuk/are ; 9-6. 



8. P. rhododactyla, F. 17-23 mm. Forewings red-brown, 

 costa whitish -sprinkled ; two oblique white fasciae, first before 

 middle, sometimes interrupted, second before fissure ; a darker 

 suffusion towards costa between these ; cilia white towards 

 middle of termen of each segment. Hindwings reddish-fuscous ; 

 third segment with middle third whitish, apical dark reddish- 

 fuscous ; scale-tooth large, almost apical. 



Kent, Middlesex, local ; C. and S. Europe, Asia Minor ; 7, 8. 

 Larva greenish -yellow or green ; dorsal line purple, bi-oader 

 anteriorly ; subdorsal and spiracular faintly yellow ; head grey : 

 on flower-buds and shoots of rose ; 5, 6. 



4. Pterophorus, Geoffr. 



Face not tufted. Labial palpi subascending, second joint 

 sometimes loosely scaled, terminal acute. Tibiae simple. Fore- 

 wings cleft from about middle ; 2 sometimes out of 4 or absent, 

 3 absent, 7, 9, and 10 absent, 11 connate with or out of 8 or 

 absent. Hindwings trifid, third segment without black scales 

 in dorsal cilia ; 3 absent. 



A genus of some extent, nearJy cosmopolitan, but no endemic 

 species occurs in Australia, though in New Zealand there are 

 several. 



1. Forewings with blackish mark before fissure . 2. 



,, without such mai'k . . .3. 



