Happy beginning of a new season (in the Northern Hemisphere), and a merry
Christmas to all!


> >The biggest yearly mass movements of land animals may be the largely
> overlooked flights of aphids, moths, beetles, flies, spiders and their kin.


Thanks for this fascinating report, Pete.  I've been working with a tiny
insect called the Potato Psyllid of late.  It cannot survive cold winters.
But it mass migrates from south to north each season--a one-way trip.
Kinda hard to understand evolutionarily, but means that the species is
continually attempting to expand its northern range.  And in step with a
warming Earth, it is doing just that, recently becoming a major pest in
Calif, Oregon, and Texas.


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

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