The Harrod Horticultural ethos is global! Here's a little video clip for you which shows, I think, that biological pest control is worldwide!

And when you've watched it, you'll no doubt want to know where you can find out more about this way of working with nature to keep on top of your pests. Here's the answer - http://www.harrodhorticultural.com/HarrodSite/category/Pest%20Control_Biological%20Pest%20Control/