'Painted' drones ?

[Ian123]

As said previously it’s not paint but a genetic defect.

 

[Parsonage Bees]

As said previously it’s not paint but a genetic defect.

Or something physical. Hive environment, too hot, too cold maybe. Cells have slumped maybe, squeezing the pupae. No way to know.
Trying to find the queen marked with a white dot is a tad frustrating.