142 



The caterpillar is green tinged with reddish or yellowish 

 on the fore part, the second segment brownish above ; the 

 head brown. 



The date of the appearance of the caterpillar is in 

 April and May. 



It feeds on the leaf buds of the hawthorn and the 

 juniper. 



ARGYRESTHIA SEMITESTACELLA. 

 Plate CXV. Figure 1. 



Localities for this species are York, Scarborough, Market 

 Harborough, Birkenhead, Darlington, Manchester, Pern- 

 bury, Newcastle-on-Tyne. 



The situations where it is found are among beech trees. 



The perfect insect appears in August and September. 



ARGYRESTHIA SPINIELLA. 

 Plate CXV. Figure 8. 



Localities for this species are York, Scarborough, 

 Pembury, Bristol, Darlington, Manchester. 



The situations where it is found are among mountain-ash 

 trees. 



The perfect insect appears in August and September. 



The caterpillar is greenish grey, with a faint rose colour 

 line along the back, the second segment with two brown 

 spots on it and the front edge whitish ; the head dark or 

 blackish brown. 



