23 julio 2015
More than 70 percent of pollen and honey samples collected from foraging bees in Massachusetts contain at least one neonicotinoid, a class of pesticide that has been implicated in Colony Collapse Disorder, in which adult bees abandon their hives during winter.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/GmiMc-Zy3ks» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GmiMc-Zy3ks/150723190524.htm
