I have heard, though I have not tried it, that you can spray PAM, or a
similar anti-stick spray on poster board or the like.  Grid lines and size
would be no problem then.
 
 
>As part of some Varroa mite testing I'm involved in, I really could use
>sticky papers with grids on them to aid in dead mite detection. None of
>the 'traps' in the big name catalogs really fit the bill. However, in
>the March 1997 ABJ, page 207, there is pictured a "DEWILL VARROA MITE
>DETECTOR INSERT." These would be perfect. Does anyone out there know who
>sells them, or maybe have an address for Dewill? Any help would be much
>appreciated.
>
>Thanks
>
>Mike
>