WPC Daily
Celebrating the natural beauty of western Pennsylvania

   March 11, 2003                                                                                                        

From a Bear to Tiger

The wooly bear caterpillar (Pyrrharctia isabella) metamorphoses into the beautiful isabella tiger moth.

As this caterpillar grows, it sheds its skin several times, becoming browner with each shedding. This change in coloration has nothing to do with a prediction of winter's severity.

The wooly bear caterpillar is a generalist feeder, eating many different plants and, as such, is found in many habitats from WPC's 373 protected acres at Wattsburg Fens Natural Area, in Erie County; to the 1,000 acres WPC protected at Enlow Fork Valley (now permanently protected as State Gamelands No. 302), in Washington and Greene Counties.

 

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