Just a brief update should anyone be in a similar position.
We rushed out and bought some of Rent*kill's Clothes Moth Killer Papers and stuck them in all our wardrobes.
We have been away a little over three weeks and on checking my woolens, including a fair few cashmere sweaters.... no holes or nibbled bits!
It may be too early to crow as the little blighters are probably devious and just waiting until I relax but... at first glance this seems to have worked and I do feel I can recommend them.
They were oh so easy to use and if they last the six months that is promised, I think this is an excellent product.
Rapunzel100, many thanks for your kind advice. I am very grateful.
Andrew Mountbatten-Windsor has won his legal case today.
180 over 70's giving up their driving licences


They supply museums and you can see them working as the pherenome traps do just that! 
