> (they don't come right out and say it, but ... )
> more evidence than is present in your last statement in parentheses.

I left the bee lab about the time this experiment was carried out. Everyone there was talking about the highly aggressive bees in the packages from ---. The Seeley Lab had already stopped buying bees from ---. Subsequently, I experimented with queens from --- and had the same experience, the bees were too hot for normal use. But like they said, these bees test European for mitochondrial DNA. 

Which could mean either: the aggressive trait is not genetically correlated, or it isn't passed down through the maternal line. The genetic correlates for behavior have not been identified, so far as I know. In fact, I have seen suggestions that the heightened aggression is related to olfactory sensitivity, not a behavioral trait at all. But it would affect behaviors such as colony defensive and hygienic behavior.

PLB

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