Hi,
We have some objects that are being treated for drestmid infestations. 
They have been in a freezor for over two weeks.  The previous collections
manager said that they should now be taken out for two weeks to allow any
existing eggs to hatch (because they are not affected by the cold) and
then the objects put back in the freezor for two weeks to kill newly
hatched bugs.  Then if we felt it was necessary repeat the process again. 
The current collections manager said that where she worked before they
only froze objects for one week and that was it and that was supposed to
kill all the bugs and any eggs.  What is the correct way for doing this?

Thank you.

Beau Harris
Registrar
Fairbanks Museum and Planetarium
1302 Main Street
St. Johnsbury, VT 05819

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