Propolis Power-Up: How Beekeepers Can Encourage Resin Deposits for Better Hive Health When honey bees produce more propolis, a waxy resin they use for sealing up their hives, overall health benefits to the colony ensue. A new study tests a few simple methods beekeepers can use to encourage more propolis production in their hives. Entomology Today November 28, 2018 8 Comments