So --  As you can see halfway through that video, the mites were running around on the baby bees, and the way that beekeepers typically manage these mites is they treat their hives with chemicals.
（拍手） このビデオの途中で ダニがミツバチの幼虫の上を 走り回っているのが見えましたね 養蜂家達はダニを駆除する為に 蜂の巣に薬品を使うのですが