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Informed Discussion of Beekeeping Issues and Bee Biology

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Subject:
Varroa mites
From:
JamesCBach <[log in to unmask]>
Reply To:
JamesCBach <[log in to unmask]>
Date:
Fri, 23 Jul 1999 10:07:25 -0700
Content-Type:
text/plain
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Chris Slade mentions that "the typical varroa mite is the product of a
brother/sister mating."  And then states that "this must dramatically reduce
their genetic variability."

Questions:
Why have varroa mites successfully existed for so long given their
proclivity for inbreeding?

Why do they successfully reproduce with such similar characteristics and
behaviors in their offspring?

Do they have some biological trait, or DNA sequence, that is unknown to us
that keeps their male/female genetics separate so that actual inbreeding
doesn't occur in their species?  Thinking that observed behavior doesn't
always reveal their inner workings.

James C. Bach
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