Honey bees and most other pollinators burn thousands of calories per day in flight, and they get hungry. I'll different species prefer different food types, you can't go wrong with sugar water. Leave up a pie pan of it up high in a semi Shady place and you'll see these hurried, hungry contributors land for a quick snack.

Michaels, pollinators need water. A 5 gallon bucket or small pail of H2O set in a shady spot (cool water is awesome) is best. Drape shade cloth or burlap over the rim and into the water so the pollinators can walk down to the water without drowning.