Why remove the pin?  Just digest the whole thing with proteinase K. Just use a larger container and you will need more liquid to cover the specimen. The pin shouldn’t have any DNA.


From: Entomological Collections Network Listserve [mailto:[log in to unmask]] On Behalf Of Furth, David
Sent: Wednesday, November 29, 2017 12:46 PM
To: [log in to unmask]
Subject: Re: removing beetle specimens from pins


I have done this about 30 years ago after hearing about it from Larry. I told this story to Floyd.




Sent from my Verizon 4G LTE smartphone

-------- Original message --------
From: "Shockley, Floyd" <[log in to unmask]>
Date: 11/29/17 11:22 (GMT-05:00)
To: [log in to unmask]
Subject: Re: removing beetle specimens from pins

Talk to Larry Gall at Peabody.  He has a pretty nifty system built from the transistor unit of an electronic train set that works fantastically!  Smells a bit like burning hair, but does the trick!


From: Entomological Collections Network Listserve [[log in to unmask]] on behalf of Michael Wilson [[log in to unmask]]
Sent: Wednesday, November 29, 2017 11:18 AM
To: [log in to unmask]
Subject: removing beetle specimens from pins

Dear Colleagues

Does anyone have a good method of removing a (beetle) specimen from a pin without the use of a relaxing box?  A student wishes to place dried specimens in a solution which will extract the body contents for DNA extraction.  But needs to remove the pin first.

I have read about techniques that can heat a pin using a battery system allowing the pin to be removed- but have not seen one in action!  Someone else has suggested that a drop of 'wood naptha' at the base of the pin would relax the specimen locally and allow the pin to be removed.

Any suggestions welcomed

Thanks in advance

Mike Wilson

Dr Michael R Wilson
Entomology Section
Dept of Natural Sciences
National Museum of Wales
Cardiff, CF10 3NP, UK

Tel: +44 2920 573263
email: [log in to unmask]

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