Propolis
Propolis προ „for“ y πόλις „city“ is a wax-like resinous substance collected by honey bees from tree buds (e.g. poplar) or other plant-related sources and used as cement and to seal cracks or open spaces in the beehive. It can also kill bacteria.
Propolis Media
Two bars from a top bar hive that the bees have glued together using propolis. Separating the bars will take some effort as the propolis has hardened.
Two bars of an active top bar hive with the bars pulled apart. Notice the sticky golden propolis on the above bar.
Propolis drops in red (units in micrometers)
Propolis in beehives
