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 yellow¬ 
ish 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. Figure 15. 
Localities for this species are York, Tor wood near 
Stirling. 
The perfect insect appears in September. 
GRACILLARIA HEMIDACTYLELLA. 
Plate CXYI. Figure 16. 
Localities for this species are Lewes, Pembury, 
Whittlebury. 
The perfect insect appears in September. 
GKACILLARIA FALCONIPENNELLA. 
Plate CXYI. Figure 17. 
Localities for this species are near London. 
The perfect insect appears in September and October. 
