223 - 
Food Plant : Larch 
Distribution : Durham 
Larvae : Sept. 
Number of Collections : l ('38) 
Total Number of Specimens : 1 ( 1 38) 
Pupae : Sept. 
Adults : (July)* 
Argyrotaenia occultana Free. 
Year recorded : 1948 
Food Plant : Larch 
Distribution : Durham and Northumberland 
l arvae ; Sept. Pupae : Sept. 
Number of Collections : 2 (*48) 
Total Number of Specimens: 3 ('48) 
No. 7443 X 
Adults: (Only Incubation 
Records, 
