Hi all 

In my mind it’s still an open question what role the environment plays in the success of African bees. I recall hearing several presenters at EAS 2003 pointing out the population cycle of tropical honey bees is different from those in temperate latitudes. The tropical curve is more gradual with brood being raised throughout the year. With northern bees, there is a population explosion which is correlated with the lengthening days and a subsequent population decline in summer. I don’t see how you can study the relationship of bees and varroa — without understanding the environmental connection. It’s all of a piece. 

Peter L Borst

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