Peter Edwards wrote: 'Melted' (unsealed larvae) are a symptom of EFB.
AFB affects both larvae and pupae:
> Active AFB is characterized by larvae or pupae that have melted down into
a viscous pool of light to dark brown liquid lying flat on the cell bottom.
During this stage, the rope test can be fairly informative.
> The presence of a smooth, light to chocolate brown pupa in the cell with
its tongue adhering to the roof of the cell is not a common symptom, but is
considered to be diagnostic for AFB.
http://www.masterbeekeeper.org/B_files/disease1.htm
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