Acorn Drillers

As is my wont, I pocketed a red oak acorn recently. Almost a week later I noticed this: a little wormy something was cutting it’s way out! Note the frass pile.

Perhaps a Curculio nut and acorn weevil. More here.

Not pictured, but this also happened with a shingle oak acorn, which has a much smaller nut than the red. The exit hole hole was correspondingly smaller, so perhaps the work of another species.

2 Responses to “Acorn Drillers”


  1. 1 Ellen October 25, 2019 at 1:36 pm

    Creepy. We had these little holes that appeared in a table made from recycled wood. Powderpost bugs. Not good. Had to quickly get rid of it as they will infest wood.


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