> Why only 'red' dots? If the substance is pollen, why not yellow, purple,
> white? Can you identify the bloom and is it such that the bees have to
work the bloom differently than blooms of other colors?
>
Himalayan balsam leaves a white spot on bee's backs. I guess it has
something to do with the structure of the flower
John Burgess, Editor Gwenynwyr Cymru/The Welsh Beekeeper
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