another new DF piece up in Atwater , Los Angeles. “One in every three bites of food you eat comes from a plant, or depends on a plant, that was pollinated by an insect, most likely a bee,” said Dennis vanEngelsdorp of Penn State University’s College of Agricultural Sciences. It has been going on for four years. In 2009 almost 29 percent of the bee colonies in the United States collapsed, say scientists who surveyed commercial beekeepers and brokers. That’s slightly less than the 36 percent loss in 2008 and the 32 percent counted in 2007, but an informal survey just finished suggests that the die-off continues..