--- On Wed, 3/30/11, Chris Slade <[log in to unmask]> wrote: [With respect to construction of German deep scrfeened bottom board] - "The 2" drop is as recommended by Jeff Pettis who noted that healthy
mites that fall through a mesh all get back upstairs again if the drop
is only half an inch, whereas with a 2" drop none gets back, ......"
Think I read in posts several years back that under lab conditions it was found that the mites could crawl as far as up to 18 inches to get back to where they wanted to be - i.e. location to pick up a ride on another bee.
Mike in LAto BEE-L can be found at:
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