A new, more sensitive and non-destructive variation on the standard ether roll test. Currently, there are a number of methods in use . This article is an attempt to bring information forward without any judgment of the claims of the originators. Its major drawback is that treating with formic involves handling of a caustic substance.
Recent reports indicate that oxalic acid shows promise too.
The books and websites below catalogue a wide variety of methods for control and provide enough understanding of the mite and its activities to employ them intelligently . Reports, literature and corrections are, of course welcome. This is a list of sites I've found that deal with varroa, formic acid and Integrated Pest Management approaches to varroa control. I can't vouch for all the ideas and methods here, and they are presented just so you can get an idea what is out there. There is no particular order to this list.