Wax moths wont bother foundation. Nothing in it for them to feed on. Storage in your basement is fine, but remember to allow to warm up a bit before placing it in the frames. It will be a little more brittle because of the coolness of the basement.
"Mites are choking them, pesticides are killing them, the drought's starving them... they're fine." Ulysses "Ulee" Jackson in the movie "Ulee's Gold".