To answer the query about thermography, I have utilized the technique
on groups and individual (including flying) bees.  It is a pretty easy
to use system with a video camera sensitive to infra red radiation.  The recorde
images are then processed via desk top computer.  This includes color renditon
of temperatures.  Agema is a U.S. manufacturer.  The units are steep costing
about $90k.  Smaller capacity point infra red instruments are available for
under $1000.  These are nice for reading single or a few temps on surfaces.
The advantage of the AGgema type is that one can obtain hundreds of temps
on the surface of even a single bee.  I can provide more information if
anyone is interested.
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º  Edward E. Southwick             Department of Biology         º
º  Phone 716-395-5743              State University of New York  º
º  FAX   716-395-2416              Brockport, New York 14420     º
º  BITNET SOUTHWIK@BROCK1P         U.S.A.                        º
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