When the eggs hatch, the little 



caterplllar-like larvs that come 



out of them eat the comb and 



spoil the honey. To keep them 



out, the bees sometimes build 



walls of propolis just inside the 



*^hive door, making the entrance 



so narrow that only one bee can 



pass at a time. In this way the 



'sentinels are better able to keep 



'out the intruders. 



Bees have been known to use 



propolis in strange ways. You know they 



chink up all the holes with it and glue the 



frames fast. Once, so the story goes, they 



glued a snail to the bottom of the hive. His 



snailship had crawled into the hive and 



the bees fastened his shell tightly to the 



floor. So, for going where he was not 

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