Thanks for the ref, Trevor!

For the page in the book, see:

http://www.amazon.com/Natural-Beekeeping-Organic-Approaches-Apiculture/dp/1933392088/ref=sr_1_1?s=books&ie=UTF8&qid=1284180937&sr=1-1#reader_1933392088

He claims several years' worth of use, but I don't see mention of any
numbers about mites actually trapped.

Randy Oliver

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