The worms, according to Mike Johns, set up intestinal and liver problems and lower the immunity of the bird , so that secondary problems arise and the bird cannot digest food.
The bees build up a store of honey during the summer which they eat through the winter. Beekeepers will take a surplus of honey from the hive, but won't take all the honey there is. They also feed the bees with sugar syrup after taking the honey to make sure the bees have enough to see them through the winter. Honey.
Honey bees differ from wasps & hornets by staying active all year round and storing food (honey) in the nest or hive. Managed honey bees are often fed supplementary food during the winter by the bee keepers. At the end of the wasp season, in the autumn, a wasp or hornet nest will produce new queens and males.