Tuesday, August 4, 2009
screening visitors
Posted by
sarah
Here is a pic of my screen bottom board. Normally it's under the brood chamber and I only see the front entrance part of it, but it's on display here because we were cleaning the bottom board. (And by 'we' I mean Ken.) The screen bottom board is there to enhance the health of the hive. Mainly as protection against varroa mite, which can be incredibly damaging to a colony of bees. The screen mesh is wide enough to allow the varroa mite to fall through, but narrow enough to keep the bees away from them. Varroa mites will wait there on the bottom board for a bee to come along and grab onto it, but it won't try to climb back up the sides through the holes.
I don't think I have any problem with varroa yet. I didn't see any on the bottom board. Keep your fingers crossed....
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