248 
The situations where it is found are near oaks and 
nut bushes. 
The perfect insect appears in May and August. 
LITHOCOLLETIS NICELLIELLA. 
Plate CXXVII. Figure 4. 
Localities for this species are Scarborough, Hackney, 
Darlington, 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 under side of the leaf of the nut. 
LITHOCOLLETIS STETTINELLA. 
Plate CXXVII. Figure 5. 
Localities for this species are between Sydenham and 
Beckenham, York, Scarborough, Darlington, Bristol. 
The perfect insect appears in May and August. 
The date of the appearance of the caterpillar is in 
July, September, and October. 
It feeds on the alder, the upper side of the leaf. 
