a Scott Koppa snip followed by > my comments..
That's adaptation, no? At the very least exploiting available resources that were previously inadequate for the larger nest sizes of non-Africanized phenotypes.

> I would say my limited data set informs me that water meter are just as likely to be populated by European bees as the African crosses.  Traditional nest sites in the southwestern US have always been scarce and european bees have been nesting in rock cavity and other ground connected cavities (old hot water heaters seems to be popular) long before the scut crosses arrived in the US>

Gene in central Texas.. 

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