ACRONYCTA] CARADRINIDAE 143 



9. A. rumicis, L. 34-40 mm. Forcwings fuscous, mixed 

 with whitish, and irregularly irrorated with dark fuscous ; sub- 

 basal, first, and second lines blackish-edged, second marked 

 with a white subdorsal spot; median line dark fuscous, only 

 distinct towards costa; orbicular and reniform blackish -out- 

 lined ; subterminal line whitish. Hindwings fuscous, darker 

 towards termen. 



Britain to Ross, Ireland, common ; Europe, N. and WC. Asia, 

 N. Africa ; 5, 6. Larva rather dark brown-grey, paler-marbled ; 

 dorsal series of black blotches enclosing orange-red spots ; sub- 

 dorsal series of white spots ; subspiracular line waved, white 

 or pale yellowish, marked with orange-red tubercles ; fascicles 

 of p;ile ochreous or reddish mixed with dark fuscous hairs; 5 

 and 1 2 somewhat prominent above ; head black, streaked with 

 brownish-ochreous : on Polyyonum, Salix, hawthorn, Veronica, 

 etc.; 8, 9. 



10. A. auricoma, F. 35-39 mm. Forewings fuscous, mixed 

 with whitish and irrorated with black; an ill -denned black 

 median basal streak to first line; base of dorsum whitish- 

 ochreous ; first line indistinctly blackish-edged ; orbicular and 

 reniform blackish-outlined, space between them pale ; second 

 line black ; subterminal whitish ; sometimes a blackish streak 

 above tornus. Hindwings light fuscous, in <$ more whitish 

 anteriorly. 



Kent to Hants, local; N. and C. Europe, Asia Minor, N. 

 Asia; 5, 8. Larva black, incisions greyer; 3-13 each with two 

 or four orange-reddish tubercles, bearing fascicles of orange 

 hairs ; other hairs blackish ; head and plate of 2 black : on 

 oak, birch, Rubrn, etc.; 6, 7, 9-4. 



11. A. euphorbiae, F. (myricae, Gn.) 31-37 mm. Forewings 

 fuscous, mixed with whitish and irrorated with dark fuscous ; 

 indications of a blackish median basal streak ; first and second 

 lines edged internally with darker, externally with blackish ; 

 median line darker ; orbicular and reniform blackish-outlined ; 

 subterminal line faintly paler. Hindwings in $ white, veins 

 fuscous ; in 9 rather dark fuscous, cilia white. 



Ayr to Ross, S. Ireland, local ; Europe, Asia Minor, N. 

 Asia; 6. Larva black, incisions more greenish -grey, some- 

 times mostly suffused with whitish ; subdorsal series of whitish 

 or pale yellow trilobed spots; subspiracular line orange-red; 

 3 with orange -red transverse band; fascicles of black hairs 

 mixed with whitish ; head black : on Myrica, Erica, birch, 

 etc.; 8, 9. 



