Bees make bee glue (propolis) by mixing saliva and beeswax with tree sap or similar. It is used as a sealant for unwanted open spaces in the hive. – WTF Fun Facts
Source:
Bees make bee glue (propolis) by mixing saliva and beeswax with tree sap or similar. It is used as a sealant for unwanted open spaces in the hive. – WTF Fun Facts
Source: