Gall Fly

Here is a common invertebrate track in the winter time:

January February 2013 038

The gall fly lays an egg in the goldenrod plant.  A gall develops around the egg. The egg hatches into a larvae and the larvae fills its body with sugar from the plant (acts as a natural antifreeze during the cold winter).  These larvae taste sweet!  They are often eaten by chickadees and woodpeckers.

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