>I do not think it is a big leap to think that a bee coming into the
hive with a very small load of pollen may be sick.
My understanding is that pollen loads vary with the age of the bee due to wear and tear on the hair in the centre of the corbicula that retains the load. Young bees are therefore able to pack larger loads.
Best wishes
Peter
52°14'44.44"N, 1°50'35"W
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