1907. 



The Larch Shoot Moth. 



397 



Life History. — The moths issue, through an already prepared 

 flight-hole in the twig, at the end of May and the first part of 



fig. 3. 



Fig. 2. — Larch shoot (half natural size), with upper portion dead as result of 

 infestation. 



Fig. 3. — Larch shoots attacked by caterpillar : (a) place of entry of young cater- 

 pillar ; (fr) the work of the caterpillar ; (c, d, e) the borings made by the caterpillar, 

 causing the death of the twig ; (/) shoot broken by the wind at place of attack (after 

 Eckstein, slightly reduced). 



