We use the sugar shake method as per MAAREC proposal.
*maarec*.psu.edu/powerpoints/PSsampling.pdf

We have multiple jars. I place the jars on top 10% of the hives in a yard.
As the crew works the yard, they fill up the jars with bees. Then comes the
"varroa guy" with the icing sugar and the screen lid and a white saucer.

The "varroa guy" changes the lid, add two tablespoon full of icing sugar and
shakes for a minute. Then invert the jar and shakes ontop of the saucer to
count varroa drop. Then puts the original lid on and goes to the next
sample. The original operator drops the bees back to the hive. The sugar in
the saurce is droped to the floor with the varroas.

Allen is right in the sense that particularly when the bees have nectar in
the crop, the sugar gets wet and the jars get ugly.

The icing sugar must bee really dry or the method doesn't work. We keep the
sugar in an hermetic container.

We use as a mesh the aluminium that hold a computer power soruce. It is
glued to the lid with liquid steel.




-- 
Juanse Barros J.
APIZUR S.A.
Carrera 695
Gorbea - CHILE
+56-45-271693
08-3613310
http://apiaraucania.blogspot.com/
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