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Date: | Mon, 12 Dec 2011 19:58:44 -0400 |
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On Mon, Dec 12, 2011 at 10:42 AM, Lloyd Spear wrote:
>I have never seen a plastic performation that was not junk.
When I was with Juanse in Chile, we visited a commercial beekeeper who did
NO honey. He pollinated avocado and collected pollen for sale to a place
where they raised bumblebees for pollination units.
His front mounted pollen traps used a plastic "scraper" sheet with 3/16
drilled holes. The sheet was about 1/8 inch thickness. (Being Chile, the
exact dimensions were likely metric). Some of the trap pollen "scrapers"
were homemade, but some were purchased from a bee supply in Argentina.
They did not look like junk to me. In fact, I think they would be much
friendlier to the bee than a metal mesh screen such as I had on my OAC
pollen traps, assuming the drilling burrs were removed as Peter has
suggested.
Moreover, I used masonite as the material to which the two metal mesh
screens on my OAC traps were fixed. After exposure to moist conditions I
found that these no longer slid very well in the slots. The plastic sheet
in the traps I saw in Chile was thick enough to be fairly rigid and slid
easily.
The other nice thing about those traps was they were front mounted. The
pollen was quite clean. I found the OAC design got a lot of debris in the
pollen, and I would have to be meticulous about finding hives with no
chalkbrood.
But I believe that Juanse used something like the sundance design.
Stan
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