I got mine from the UK. Not many survived the trip. But they easy to breed and have lots now. You just cannot get the curly wings here in the US. So the only way is to breed. The mix I'm using has almost no smell and smells just like the medium they use in the UK. I'm sure it's very similar. I've been breeding flies now for 6 years and love testing new things and what I do now works so well my girl does not even notice the flies in the house. I think the fruit flies smell worse.
I'm glad someone else has them!