Backyard and Beyond

Starting out from Brooklyn, an amateur naturalist explores our world.

As John Burroughs said, “The place to observe nature is where you are.”

2 responses to “Pecking”

  1. Charles McAlexander

    what is inside the gall this time of year? eggs?

    1. I don’t know the details of this species, but could be larvae. Another possibility is the larvae of parasitic wasps that prey on the gall-inducer.

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