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Project Noah Nature School
Not sure if this is birch sawfly caterpillars (Croseus septentrionalis) or Dusty birch sawfly caterpillars(Croesus latitarsus) They are an inch or so long and have an interesting defensive behaviour - they all splay out when disturbed
these were found on birch tree
Spotted on Jul 22, 2014
Submitted on Jul 22, 2014
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