[Syrphidae] freeze desinfection of insect drawers

[Christian Kehlmaier]

Hallo Frank

Am besten du verpackst die Kaesten einzeln in Plastiktueten (gegen das Kondenswasser) und legst sie dann für 4-5 Tage in den Gefrierschrank. Danach ca. eine Woche bei Zimmertemperatur, damit evtl. Eier noch schluepfen koennen, und erneut fuer 4-5 Tage in die Gefriertruhe. Die Tiere duerften dabei keinen Schaden nehmen.

Gruesse, Christian.


> -----Ursprüngliche Nachricht-----
> Von: Hoverfly discussion list <syrphidae at lists.nottingham.ac.uk>
> Gesendet: 17.10.06 14:05:43
> An: syrphidae at lists.nottingham.ac.uk
> Betreff: [Syrphidae] freeze desinfection of insect drawers


> Hello Syrphid friends!
> 
> Can anybody provide me with information how to desinfect the drawers in
> my syrphid collection with a standard freezer (-18 degrees C)? There are
> no visible signs of pests yet, but I would like to be as safe as possible.
> 
> I am also unsure about the details:
> 
> How long do the drawers have to be in the freezer?
> Does freezing damage the syrphid specimens?
> How about condensed water after taking the insect drawers out of the
> freezer?
> 
> Maybe there are already some web resources on this? I would greatly
> appreciate any links or hints on literature on this topic.
> 
> Many thanks in advance!
> 
> Best wishes from Berlin,
> 
> Frank Dziock
> 
> 
> -- 
> 
> Prof. Dr. Frank Dziock
> Fachgebiet Biodiversitätsdynamik
> der TU Berlin
> Sekr. AB 1
> Rothenburgstr. 12
> D - 12165 Berlin
> Germany
> 
> Tel: 030 – 314 71368
> Fax: 030 – 314 71355
> 
> http://www.tu-berlin.de/fb7/ioeb/biodiversitaet/
> 
> "God in his wisdom made the fly, and then forgot to tell us why." Ogden Nash
> 
> special issue on “Bioindication and Functional Response in Floodplain Systems” out now!
> published in International Review of Hydrobiology 
> http://www3.interscience.wiley.com/cgi-bin/jhome/60500251
> 
> 
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-- 

Christian Kehlmaier, M.A.

work:
State Natural History Collections Dresden
Museum of Zoology
Koenigsbruecker Landstrasse 159
D-01109 Dresden
Germany
phone: 0049-(0)351-89 26 301

privat:
Boehmische Strasse 39
D-01099 Dresden
Germany
0049-(0)1577-39 39 348

http://www.kehlmaier.de

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