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Subject:
Re: Treatment interval for Oxalic Vapor
From:
Bill Hesbach <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Tue, 6 Nov 2018 08:19:20 -0500
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Paul Re: reading a drop board >72 hr. - ~3000, too many to count so counted 2 square inches and extrapolated. 


Since you mentioned extrapolation, I thought I'd mention that Calderon published a paper in 1999 on how to count a stickyboard without counting every mite using a method of stratified random sampling. After that paper, Ostiguy and Sammataro published another one in 2000 with an improved sampling method that produced higher accuracy. 

https://hal.archives-ouvertes.fr/hal-00891743/document


Bill Hesbach
Cheshire CT

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