241 



The date of the appearance of the caterpillar is in 

 July and September. 



It feeds on the sallow, on the under side of the leaf. 



LITHOCOLLETIS QUERCIFOLIELLA. 

 Plate CXXVI. Figure 7. 



Localities for this abundant species are York, 

 Scarborough, Lewes, Market Harborough, Tenterden, 

 Pembury, Manchester, Newcastle-on-Tyne, Darlington, 

 Bristol, Birkenhead. 



The situations where it is found are among oaks. 



The perfect insect appears in May and August. 



The date of the appearance of the caterpillar is in 

 July and September. 



It feeds on the under side of the leaf of the oak. 



LITHOCOLLETIS MESSANIELLA. 

 Plate CXXVI. Figure 8. 



Localities for this species are York, Scarborough, 

 Tenterden, Lewes, Pembury, Manchester, Newcastle-on- 

 Tyne, Darlington, Bristol, Birkenhead. 



The situations where it is found are among oaks, 

 etc. 



The perfect insect appears in April, May, July, August, 

 September, and November. 



