<<True, though I understand not all bumble bees are guilty.  Short tongued bumble bees are the problem - bombus terrestris here locally I think mainly. > 
 
That is correct, at least here in the PNW where our medium-tongue-length species (mostly Bombus mixtus and B. melanopygus where I live) do an excellent job in our blueberry patch.  
==============================
Dave Pehling
WSU Extension Snohomish County
600 128th ST SE
Everett, WA.  98208
phone: 425-338-2400
fax:  425-338-3994
[log in to unmask]
http://snohomish.wsu.edu
http:// gardening.wsu.edu
=======================
Extension programs and policies are consistent with federal and state laws and regulations on nondiscrimination regarding race, sex, religion, age, color, creed, national or ethnic origin; physical, mental or sensory disability; marital status, sexual orientation, or status as a Vietnam-era or disabled veteran. Evidence of noncompliance may be reported through your local Extension office.

             ***********************************************
The BEE-L mailing list is powered by L-Soft's renowned
LISTSERV(R) list management software.  For more information, go to:
http://www.lsoft.com/LISTSERV-powered.html

Guidelines for posting to BEE-L can be found at:
http://honeybeeworld.com/bee-l/guidelines.htm