464 TORTRICINA [EUCOSMA 



15. E. dimidiana, Sodof. (ochromelana, Gn.) 14-15 mm. 

 Forewings suboblong, whitish - rosy, ochreous - tinged ; basal 

 patch and central fascia dark fuscous mixed with brown and 

 black, included space suffused with dark fuscous in middle and 

 dorsally, fascia followed in middle by a dark fuscous spot ; 

 some pale brownish striae towards apex. Hindwings grey, in 



$ darker. 



Sussex, Hants, York to Ross, Ireland, local; N. and C. 

 Europe, N. America; 6. Larya blackish -grey ; tubercular 

 spots, head, and plate of 2 black : on Myrica ; 8-10. 



16. E. sauciana, Hb. (grevillana, Curt. ; staintoniana, Barr.) 

 13-16 mm. Forewings elongate, ochreous-white, posteriorly 

 striated with blackish ; basal patch, central fascia, and included 

 space dark ashy-grey mixed with black, sometimes whitish- 

 sprinkled, posterior edge of fascia subconcave, irregular, with 

 an abrupt curved indentation in middle ; extreme apex blackish. 

 Hindwings dark grey. 



Kent to Hants, Cheshire to York, Perth to Sutherland, S. 

 Ireland, local ; N. and C. Europe ; 6. Larva on Vaccinium 

 myrtillus ; 8, 9. 



17. E. fuligana, Tib. (ustulana, Hw.) 10-13 mm. Forewings 

 elongate, dark ashy -fuscous, strigulated with dark brown ; 

 basal patch, central fascia, and an apical reticulated patch dark 

 brown, ferruginous -tinged, blackish - mixed ; costa sometimes 

 obscurely whitish-strigulated. Hindwings dark fuscous. 



England, rather local ; Germany ; 6, 7. Larva greenish- 

 whitish : in rootstocks of Ajuga reptans ; 9-5. 



18. E. carbonana, Barr. 10-13 mm. Forewings more elon- 

 gate than in E. fuligana, ashy-grey, more or less whitish- 

 mixed, posteriorly striated with blackish ; basal patch and 

 central fascia blackish. Hindwings blackish-grey. 



Devon, Norfolk, Cambridge, local ; Holland ; 6, 7. Larva 

 pale green ; head reddish-brown ; plate of 2 green : in stems of 

 Stackys palustris ; 9-5. 



19. E. nigricostana, flw. 12-14 mm. Forewings blackish- 

 grey, striated with brown-black ; edge of basal patch darker, 

 angulated ; central fascia blackish, but partially obliterated by 

 a pale ochreous more or less developed suffused median dorsal 

 blotch, reaching more than half across wing. Hindwings dark 

 fuscous. 



England to York, common ; Holland, Germany ; 6. Larva 

 pale yellowish ; head pale brown : in stems and rootstocks of 

 Stachys sylvatica ; 9-5. 



