>the bees that stay, in 9 out of 10 reps had substantially lower mite loads than those that flew off  -- 40% higher >on average.

In your experiment, you found that the nurse bees that did not fly away had substantially FEWER mites than those that did fly away?  I'm confused...You seem to be saying substantially lower and 40% higher with regard to the same group.  Help me out.

Lewis

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