Today I checked, for the second time, on a swarm that I hived a couple 
of weeks ago.  This time, much of the brood is sealed.  The unsealed 
larvae look healthy but there are lots of unsealed pupae at the red 
eyed stage.  They are scattered and not in lines as is sometimes seen 
if wax moths are at work.  I haven't seen this  pattern before though 
and my assumption is that maybe the workers are uncapping because they 
detect mites, but I could be wildly wrong! I don't know everything!  Is 
it an example of hygienic behaviour?

Anyway, the weather forecast being promising for tomorrow, I intend to 
give them a dose of formic acid unless, when turning on the computer in 
the morning, I get howls of protest and good advice from you lot!

Chris

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