ac.m.i.a] TORTRICIDAE 



17. Termen of forcwings moderately oblique . . IS. 



„ „ little oblique . .19. 



18. Forcwings narrowed anteriorly . . 10. maccana. 



,, oblong . . 22. caledoniana. 



19. Forcwings without tufts . . 18. lorquiniana. 



with slight tufts . . .20. 



20. Termen of forcwings hardly sinuate . .21. 



„ „ distinctly sinuate . . 22. 



21. Forcwings with variable markings, costa usually 



whitish . . .4. rvfana. 



„ without defined markings, costa not 



whitish . . .11. lipsiana. 



22. Forcwings with ground-colour grey-whitish 9. mixtana. 



,, „ „ not whitish . 23. 



23. Species smaller ; costal blotch paler-centred 



23. aspersana. 

 ,, larger; costal blotch forming three spots 



21. ferrugana. 



1. A. cristana, F. 18-21 mm. Thorax witli strong longi- 

 tudinal crest. Forewinga reddish -ochreous to dark brown, 

 sometimes bicolorous ; a very large sometimes white scale-tuft 

 in middle of disc ; sometimes a white or pale ochreous dorsal 

 streak, or an orange central longitudinal streak ; sometimes two 

 fascia-like whitish streaks from costa converging to middle of 

 disc. Hindwings grey, apex darker. 



S. England to Hereford and Norfolk, Ireland, local; C. 

 Europe ; 8-5. Larva on rose and hawthorn ; 6, 7. 



2. A. hastiana, L. 18-21 mm. Thorax with strong longi- 

 tudinal crest. Forcwings oblong, grey, ochrcous-brown, or dark 

 purplish-fuscous; tufts slight; veins sometimes pale, seldom 

 broadly whitish-oohreous ; edge of basal patch sometimes dark- 

 marked; central fascia and costal patch confluent, darker or 

 red-brown, often obsolete ; sometimes a white subcostal streak 

 edged beneath with blackish, or an ochreous and ferruginous 

 median longitudinal streak, or dorsum broadly whitish-oehreous. 

 Hindwings light grey, somewhat darkcr-strigulated. 



Britain to the Orkneys, N. and C. Ireland, rather local; 

 Europe, N. Asia, N. America; 9-5. Larva pale green; head 

 and plate of 2 often brownish-tinged, sometimes black : on 

 Salix ; 7-9. Occasionally a partial early brood of larvae in 5 

 and imagos in (>. 



3. A. umbrana, lib. 18-21 mm. Thorax with strong longi- 

 tudinal crest. Forcwings suboblong, light brown ; a large scale- 



