237 
The situations where it is found are among wdiite- 
thorn. 
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 white¬ 
thorn, and the apple? 
LITHOCOLLETIS CORYLELLA. 
Plate CXXY. Figure 18. 
Localities for this abundant species are Manchester, 
York, Scarborough, Market Harborough, Darlington, 
Lewes, Newcastle-on-Tyne, Pemhury, Birkenhead, 
Bristol, etc., etc. 
The situations where it is found are among nut 
trees. 
The perfect insect appears in May, July, and 
August. 
The date of the appearance of the caterpillar is in 
July and September. 
It feeds on the leaf of the nut, the upper side. 
LITHOCOLLETIS SPINICOLELLA. 
Plaie CXXY. Figure 19. 
Localities for this species are York, Scarborough, 
Pemhury, Newcastle-on-Tyne, Manchester, Bristol, 
Darlington. 
