I did find notes on the internet recommending other ratios (2:1 cider:mead, 3:2 cider: mead), but I like it half and half. You can adjust to your taste. I've also seen a honey hard cider that would probably play quite nicely in this.
Recipe by Poet in the Pantry at http://poetinthepantry.com/2016/06/07/bee-sting-connecticut-renaissance-faire/