degreasing

[Richard Worth]

Hey group,
Speaking of green coloration, does anyone know what that blue-green 
staining is that you sometimes get on Pierids when you try to relax 
them?  I've seen it in both those that were relaxed in glassine 
envelopes and those not.  I originally thought it was something in 
the envelopes but maybe not.  I never see it until relaxing begins. 
Is there a remedy?
Cheers,  Rich

>Listers,
>
>Acetone also works well.  Indeed, any decent (non-colored) lipid solvent
>  should work.  I've heard a number of people use xylene.
>
>  ONe thing:  you cannot retrieve the green color in any stained green
>colored
>  leps, at least not in my experience.
>
>  James

Richard A. Worth
Oregon Department of Agriculture
Plant Division
rworth at oda.state.or.us
(503) 986-6461

 
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