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Fri, 21 Oct 2005 04:23:57 EDT |
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In a message dated 21/10/05 01:04:14 GMT Daylight Time, [log in to unmask]
writes:
<<I've had managed colonies go up to 3 years without treatments other than
screen bottom before being close to collapse. The last two years were marked
with deformed wings.
Waldemar>>
I had a couple of colonies with the odd bee showing deformed wings this
year, in their second season since the last treatment. I let them go all summer,
then treated. Unfortunately I wasn't able to count up the mitefall due to
illness, but it wasn't excessive. I'll be repeating this, and hopefully I'll be
in a fit state to do it properly next time!
I noticed that the dead mites slowly disappeared from the trays; I
assume this was due to ants, which are always present in ones and twos. I wouldn't
rely on mitefall counts being accurate if the trays are left for more than a
very few days.
Regards,
Robert Brenchley
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