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Boulder Butterfly or Moth? Easy! Check the Frenulum.

Atlas Moth                                  photo Lenny Lensworth Frieling Actually the frenulum is a difference between moths and butterflies, since moths have them and butterflies do not. But that feature, which joins the forewings and the hind wings is not the most distinctive difference. It is however a GREAT word.  Some of the most spectacular “butterflies” are in […]

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