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From The New York Times:

OBSERVATORY: As Hoverflies Grow, So Do Their Acting Skills

Researchers have found that the insects, which look like wasps and bees but do not sting, seem to more closely mimic stinging insects the more tempting to predators they become.

http://nyti.ms/GJZFVy
  

Behavior, mimicry, and math.  All in a backyard near you.
C

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