Leafcutter bees : Leafcutter bees are extraordinary pollinators. One Leaf Cutter bee can replace a hundred honey bees. Unlike Mason Bees, Leafcutter bee cocoons have a male to female ratio of 2 or 3 male leafcutter bees to 1 female leafcutter bee. It is not uncommon for Leafcutter bee cocoons to have four male leafcutter bees to one female leafcutter bee. So we need to provide you with more Leafcutter bee cocoons per set than in Mason Bees.