>
> >As the monarchs are poisonous, because of feeding on milkweed I
> understand, perhaps they are "immune" to insecticides, at least in low
> doses.


Although the glycosides in milkweed are chemically different than alkaloids
such a the neonics, you are correct in that insects that normally feed on
demonstrably toxic plants may be predisposed to produce CyP450s for
detoxification.  Has anyone seen any info the Monarchs in this regard?

-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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