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Informed Discussion of Beekeeping Issues and Bee Biology

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Subject:
Re: non-virulent mites
From:
queenbee <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Sat, 19 Nov 2005 08:45:48 +1000
Content-Type:
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> Just curious, though. Have there been tests with V.J/EHB and cell sizes?
>  V.J. does migrate to EHB colonies (in Asia) and enters the cells but
> does not lay eggs. That sounds familiar.

I do no believe the cell size has anything to do with it.  Talking with Dr.
Denis Anderson it seems that the VJ enters the cell of the EHB and into the
food at the bottom in the same way as VD and is released as the food is
consumed but it does not lay eggs.  It seems that the trigger (JH?) is not
there to have the VJ commence laying.

The VJ in Papua New Guinea in EHB colonies was not on small cell but on
"normal" foundation most likely in the range of 5.4 to 5.7.

Also VJ does not reproduce on the Apis cerana that is the natural host of VD
and vice versa.

Trevor Weatherhead
AUSTRALIA
Coming to Apimondia in Australia in 2007?

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