A small scale study but one that makes a connection between sub-lethal neonicotinoid exposure and over winter colony death.
http://www.bulletinofinsectology.org/pdfarticles/vol67-2014-125-130lu.pdf
Neonic news
A small scale study but one that makes a connection between sub-lethal neonicotinoid exposure and over winter colony death.
http://www.bulletinofinsectology.org/pdfarticles/vol67-2014-125-130lu.pdf
