246 



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 oak, on the under side of the leaf. 



LITHOCOLLETIS TENELLA. 

 Plate CXXVI. Figure 19. 



Localities for this species are Lewes, Market Harborough, 

 Wanstead, Bristol. 



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 leaf of the hornbeam, the under side. 



LITHOCOLLETIS ACERIFOLIELLA. 

 Plate CXXVI. Figure 20. 



Localities for this species are York, Scarborough, 

 Brighton, Camberwell, Lewisham, Market Harborough, 

 Pembury, Newcastle-on-Tyne, Bristol. 



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 maple, the under side of the leaf. 



