Peter wrote: >>> If they went to the desert they needed to become smaller and be able to survive long spells of hot, dry weather.<<<< Here's a great chance for a scientist/math major type to chime in and prove that larger bees hold more moisture per unit of mass. Back to something sensible. Can anyone explain why AHB become gentler at altitude? (Dewey Caron) Dick Marron ****************************************************** * Full guidelines for BEE-L posting are at: * * http://www.honeybeeworld.com/bee-l/guidelines.htm * ******************************************************