This photography shows a bee swarm of Apis mellifera on a great maple tree.  Remember:  A swarm of bees in May is worth a load of hay;  A swarm of bees in June is worth a silver spoon;  A swarm of bees in July isn't worth a fly.     Notes  Location  Day 0 (2008-05-21): The bee swarm arrived and settled down on a branch pointing to the south (02:28 p.m., T= 19.0 °C ☼).).  (Temperature at night= 5.0°C)   Day 1 (2008-05-22): The bee swarm formed a cone-shaped cluster on the branch. (T=18.0°C cloudy). Some bees went on the scout for a new home. (Temperature at night= 13.0°C)   Day 2 (2008-05-23): The bee swarm left the great marple tree in the time between 11:00 a.m. (T=20.6°C ☼, partly cloudy) and 11:55 a.m. (T=22.1°C ☼, partly cloudy).