[shijie]

No, it's not. Did you read the article?

From the study:

Glyphosate concentrations were chosen to mimic environmental levels, which typically range between 1.4 and 7.6 mg/L, and may be encountered by bees foraging at flowering weeds.

They fed the bees concoctions of Glyphosate between 5 mg/L and 10 mg/L, which at the top end is a bit more than 7.6 mg/L, but still quite near normal parameters found in a normal environment.

[bryanlarsen]

Those are high normal concentrations for glyphosate in spot spraying applications, not for the much more common broadcast applications, and assume that the bees are drinking straight from the sprayer for five days in a row.