TunTRixl TORTRICIDAE 537 



winos triangular, yellow, more or less suffused with orange or 

 ferruginous, faintly darker-strigulated ; basal patch often 

 darker, always followed by a pale yellow dorsal mark ; central 

 and terminal fasciae often darker or blackish-mixed, edged with 

 leaden - metallic dots. Hindwings blackish - grey, lighter 

 anteriorly. 



Britain to the Clyde, Aberdeen (?), Ireland, very common ; 

 C. Europe; C. Larva yellow-whitish; dorsal line darker; 

 head yellow-brownish : on seeds of ash and Ligustrtmi ; 7-9. 



G. T. loeflingiana, L. 14-18 mm. Forewings narrowed 

 anteriorly, whitish -ochreous or pale ochreous, more or less 

 darker-strigulated, sometimes partially suffused with brown ; 

 antemedian and central fasciae outlined with fuscous or dark 

 fuscous towards costa and sometimes throughoiit, sometimes 

 partly or wholly brown; cilia whitish -ochreous, base dark 

 fuscous. Hindwings grey. 



Britain to the Orkneys, Ii-eland, common, sometimes abun- 

 dant ; C. and S. Europe ; 7. Larva pale green ; spots, head, 

 and plate of 2 black : on oak, hornbeam, etc. ; 5. 



7. T. viridana, L. 16-24 mm. Forewings suboblong, green 

 or whitish-green ; costal edge yellow-whitish. Hindwings light 

 grey. 



Britain to the Clyde, Ireland, very abundant ; C. and S. 

 Europe ; 6, 7. Larva pale green ; dots black ; head black or 

 brown ; plate of 2 green, dotted with black or brown posteriorly, 

 anterior edge pale : on oak (rarely beech, maple, etc.) ; 5. This 

 larva sometimes abo\inds so as to completely strip the oaks of 

 their leaves. 



8. T. paleana, lib. (icterana, Frol.) 20-24 mm. Head and 

 thorax pale ferruginous. Forewings narrowed anteriorly, 

 whitish -ochreous or pale yellow -ochreous, sometimes greyish- 

 tinged, base yellower. Hindwings grey. 



Britain to the Hebrides, N. and E. Ireland, local ; C. 

 Europe ; 7, 8. Larva blackish ; spots large, white ; head and 

 plate of 2 black, anterior edge of plate white : on Centa^cir-a, 

 P/anta;/o, etc. ; 6. 



9. T. viburniana, F. {dundana, Carpenter) 18-22 inni. 

 Head and thorax brown. Forewings narrowed anteriorly, 

 ochreous-brownish, sometimes faintly strigulated with ferru- 

 ginous ; central fascia and costal patch sometimes oliscurely 

 darker. Hindwings grey. 



Britain to Caledonian Canal, Ireland, local ; N. and C. 

 Europe; 7. Larva pale olive -green or green - blackish ; spots 



