232 
LITHOCOLLETIDiE. 
LITHOCOLLETIS ROBORELLA. 
Plate CXXY. Figure 6. 
Localities for this species are Doncaster, Lewes, 
York, Scarborough, Leatherhead, Huddersfield, Bristol, 
Tenterden, Newcastle-on-Tyne, Darlington. 
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 leaves. 
LITHOCOLLETIS HORTELLA. 
Plate CXXY. Figure 7. 
Localities for this species are Brighton, Worthing, 
Guildford, Bristol, Oxford, Shrewsbury, and near 
London. 
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. 
