Insects Injurious to the Apple. 



21 



twigs of the trees, in crevices in bark and amongst rubbish on the 

 ground. The large dark brown pupa is very motile, and moves with 

 such vigour that the cocoon shakes and even moves along an even 

 surface. 



FIG. 6. THE LAPPET MOTH (Lasiocampa qvercifolia. Linn.). 

 A, female and male ; B, mature larva. 



[F. Edenden. 



TREATMENT. 



If this curious moth becomes sufficiently abundant in plantations 

 it could be easily kept from doing harm by arsenical spraying. So 

 far, all that is necessary is hand collection. 



