534 TORTRICINA [PANDEMIA 



costal spot darker, anterior edge of fascia somewhat bent. 

 Ilindwings rather dark grey. 



Britain to the Clyde, N. and E. Ireland, common ; C. 

 Europe; 7. Larva bright green; dorsal lino darker; head 

 pale given or pale yellowish, posteriorly sometimes black- 

 dotted : on elm, Salix, blackthorn, etc. ; 5, 6. 



4. P. cinnamomeana, Tr. 18-24 mm. Face in (J white, in $ 

 reddish-ochreous. Forewings deep reddish-ochreous or reddish- 

 brown ; basal patch, central fascia, and costal patch darker : 

 anterior edge of fascia straight. Hindwings rather dark grey, 

 extreme apex in 9 tinged with reddish-ochreous. 



England to York, local ; C. Europe ; 7. Larva green ; head 

 pale yellowish : on larch, birch, etc. ; 5, 6. 



9. Tortiux, L. 



Antennae in 3 sometimes dentate, moderately or shortly 

 ciliated, rarely simple. Palpi moderate or rather long, por- 

 rected or ascending. Thorax smooth or crested. Forewings 

 without costal fold, surface rarely with slight scale-tufts ; 7 to 

 termen or apex. Hindwings : 3 and 4 connate or closely 

 approximated, sometimes stalked, 5 more or less approxi- 

 mated to 4, 6 and 7 closely approximated towards base or 

 stalked. 



A very large and universally distributed genus. The group 

 of grey species allied to virgaureana is a difficult one, and 

 requires careful study. 



1. Forewings reticulated with orange . . 2. 



,, not reticulated with orange . . 3. 



2. Forewings with two pale purplish transverse streaks 



2. oergmanniana, 

 ,, without purplish transverse streaks 



1 . furlcskaleann. 



3. Forewings with leaden-metallic markings . 4. 



,, without leaden-metallic markings . 5. 



4. Forewings suffused with orange or ferruginous 



5. conwayana. 

 ,, not orange or ferruginous . 3. bifasciana. 



5. Forewings with large ferruginous dorsal patch 



4. minutmna. 



,, without ferruginous dorsal patch . (>. 



G. Forewings green . . . .7. vvridema. 



,, not green . . . .7. 



7. Forewings with 7 to markedly below apex . 8. 



