I found this really interesting on how mites can mimic their scent to match

> a bee, larva or hive. So I imagine they can tell strangers are in the hive
> by the smell of the bees.
>

Tracheal mites shift from older bees to younger bees by smell so there is a
possibility that Varroa has some sort of sensing mechanism that prompts
them to shift to the robbing bees.

Bill Truesdell
Bath, Maine

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