Storing Pupal cases

[Guy Van de Poel & A. Kalus]

I cut plastic used for presentation slides in pieces, glue (with water-soluble glue) the case to it, put a needle through, label it, and put it next to the specimen that came out of it. I use a database to do my labels, and the program puts a number on the label, that would be the same for the set butterfly as for the pupa case (or caterpillar skins / head cases). That way you will always know what belongs where.
The number is made up of YYYYMMDDxx (Year, Month, Day, x=incremental number - two digits suffice for me).

Guy.

  ----- Original Message ----- 
  From: SK Khew 
  To: leps-l at lists.yale.edu 
  Sent: woensdag 3 april 2002 5:38
  Subject: Storing Pupal cases


  There are times when I am able to breed caterpillars of butterfly species, either from eggs or juvenile caterpillars that I find in the wild.  Upon hatching, I keep the empty pupa cases for future reference.

  Can anyone advise me on the best way of storing these pupa cases?  Would merely putting them in air-tight glass vials and storing them away do?  Is it necessary to store them in alcohol or other preservatives?



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