One of Jerry's reports pertinent to the topic can be found at:
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0013181
A significant point is the combined effects of various viruses and I suspect the same for chemicals. There are so many combinations and permutations that it is difficult to understand. Mix the effects of pathogens with chemicals and it becomes even more difficult to form the question.
Gary
Manhattan, Kansas; where the bee season is a month ahead. Swarms, honey production, in mid-March!
***********************************************
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