Apple, pear, plum and cherry trees should be protected from winter bugs using grease bands around their trunks - these stop insects such as female winter moths
laying their eggs.
Researchers including van Grunsven discovered dips in the percentages of winter moths
(Operophtera brumata) that had mated on oak tree trunks illuminated with white, red or green LEDs.
From about Thanksgiving through December -- whenever night temperatures have been above freezing -- our headlights have put the spotlight on the region's millions of mating winter moths
Renew grease bands around fruit trees, if they have been in place a long time, to protect trees against winter moths
Apply slippery grease bands (available from garden centres) on fruit trees to stop the wingless winter moths
climbing up the trunks to lay their eggs.
Trap winter moths
by placing grease bands around fruit trees
2 Fruit - Source grease bands for your fruit trees for early October to help reduce the incidence of the various winter moths
By trapping wingless winter moths
as they climb up the trunk to lay their eggs, the caterpillars are prevented from feeding on the opening buds and young leaves.
Evidence has shown that winter moths
are also laying their eggs earlier,
Grease bands break the life cycle of wingless female winter moths
, stopping them from climbing into fruit trees to lay eggs.
European winter moths
, for example, have destroyed extensive birch areas in Lapland after moving north.
Place greasebands around trees to prevent winter moths
climbing up them.