154 



The situations where it is found are among sallows. 



The perfect insect appears in September and October, and 

 through the winter till April. 



The caterpillar is greenish white; the head yellowish 

 brown. 



The date of the appearance of the caterpillar is in 

 August and September. 



It feeds in cones, on the leaves of the sallow, the willow, 

 and the poplar. 



GRACILLARIA STRAMINEELLA. 

 Plate CXVI. Fiyure 15. 



Localities for this species are York, Torwood near Stirling. 

 The perfect insect appears in September. 



GRACILLARIA HEMIDACTYLELLA. 

 Plate CXVI. Figure 16. 



Localities for this species are Lewes, Pembury, 

 Whittlebury. 



The perfect insect appears in September. 



GRACILLARIA FALCONIPENNELLA. 

 Plate CXVI. Figure 17. 



Localities for this species are near London. 



The perfect insect appears in September and October. 



