> Murray McGregor Wrote
> You possibly do not need to look any further than a natural, possibly
> insignificant to us, factor being at work here which means they may be
> at, or close to, their limiting latitudes in North America.
Do migratory beekeepers stop at the 35th parallel? Will Amarillo,
Albuqueque, Flagstaff and Bakersfield never get AHB? Why would a Canuck at
44 degrees north be worried?
Bob Darrell
Caledon Ontario
Canada
80W 44N