234 



LITHOCOLLETIS QUINQUEGUTTELLA. 

 Plate CXXV. Figure 11. 



Localities for this species are York, Scarborough, 

 Liverpool. 



The situations where it is found are among sallows and 

 on sandhills on the coast. 



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 under side of the leaves of the dwarf 

 sallow. 



LITHOCOLLETIS IRRADIELLA. 

 Plate CXXV. Figure 12. 



Localities for this species are Scarborough, Beckenham, 

 Dublin, Renfrew. 



The situations where it is found are among birch 

 trees. 



The perfect insect appears in May and August May 7. 



The date of the appearance of the caterpillar is in 

 July and September. 



It feeds on the oak. 



