456 TORTRICINA [CHROSIS 



Kent to Norfolk and Cambridge, I. of Wight, Devon, local ; 

 Holland ; 5, 7. Larva blue -green ; head and plate of 2 

 yellowish-brown : in shoots of Carduus arvensis ; 6, 9. 



2. C. littoralis, Curt. 12-15 mm. Fore wings elongate, 

 narrow, ochreous or pale greyish-ochreous, sometimes rosy- 

 tinged, faintly striated ; basal patch deeper or ferruginous, edge 

 angulated, black-marked near dorsum ; narrow central fascia, 

 and terminal fascia narrowed to both extremities deeper or 

 ferruginous, sometimes partially black -marked. Hind wings 

 pale grey, terminally darker. 



Britain to the Shetlands, Ireland, locally plentiful on coasts; 

 WC. and SW. Europe; 6, 7, 9, 10. Larva pale greenish-grey, 

 or sometimes dark brown ; head light brown ; plate of 2 black : 

 in shoots and flower-heads, and on leaves of Armeria ; 4, 5, 8. 



3. C. euphorbiana, Frr. 10-12 mm. Fore wings pale reddish- 

 ochreous, more or less strigulated or mixed with black ; basal 

 patch, central fascia, and terminal fascia narrowed to tornus 

 ferruginous, often much mixed with black ; between basal 

 patch and central fascia a paler or ochreous -whitish quadrate 

 dorsal spot; usually an irregular postmedian stria and some 

 terminal marks leaden-grey. Hindwings blackish-grey. 



Kent, Wilts, Worcester, Hereford, local ; C. Europe ; 6, 8. 

 Larva dark green ; head pale brown ; plate of 2 black : in 

 shoots of Euphorbia amygdaloides and E. paralias ; 7, 9. The 

 imago flies in hot sunshine. 



3. BACTBA, Stph. 



Antennae in $ moderately ciliated. Palpi moderately long, 

 porrected. Thorax smooth. Forewings with termen straight. 

 Hindwings : 3, 4, 5 closely approximated at base, 6 and 7 

 stalked. 



Contains only two or three very wide-ranging species ; it 

 does not seem probable that they have been artificially intro- 

 duced ; species of Juncus are found in all countries. 



Central fascia traceable throughout . . 2. furfurana. 



,, incomplete . . . 1. lanceolana. 



1. B. lanceolana, Hb. 14-22 mm. Forewings pale ochreous 

 or ochreous-brownish, costa strigulated with darker ochreous or 

 dark fuscous ; a spot in disc at J, and an angular mark beyond 

 middle dark fuscous, often obsolete, sometimes forming a more 

 or less complete dark median streak from base to apex ; central 

 fascia sometimes indicated on costa. Hindwings grey. 



Britain to the Shetlands, Ireland, very common ; Europe, N 



