Key (at least for me):

They hit the bees with "two fungicides, two herbicides and five
insecticides. They also exposed them to Varroa mites, which weaken bee
colonies."

They had expected that exposing the bees to the combination of mites and
> chemicals might produce a more pronounced negative impact, but they didn’t
> find any.
>
> But their results did suggest, among other things, that two common
> fungicides — chemicals used to protect crops from fungal infections —
> apparently have more influence on bees than previously believed. By
> examining the selected genes, researchers found the fungicides had
> pronounced effects on the larvae, although they are generally considered
> non-toxic to bees.
>
> “The data suggest that fungicides are not innocuous to bees,” he said.
>
As noted, they looked at larvae.

Bill Truesdell
Bath, Maine

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