Wednesday, March 19, 2014

Tent Caterpillars

Last April I took this picture of Tent Caterpillars (Malacosoma americanum) at McFarland Park.  The caterpillars build these silken "tents" in the "crotch" of small fruit trees.  Their favorite tree (as well as one of mine) to build in is Black Cherry (Prunus serotina).  What a shelter!  You can find them feeding during the day, but just like me when storms brew they head for the cover and safety of their layered shelter.  As they grow, the young caterpillars enlarge the structure through a glad in their head.

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