Goldenrod Blotch Mine?

Identification of this find was over my head. I couldn’t find it online or in any of my resource books.

IMG_3466 crop

What I know for sure:

I took these pictures in early October last year.

The plant was a goldenrod.

The “spot” was insect related and measured roughly 3/8-inch in diameter.

IMG_3466 crop 2

Of course, the goldenrod plant dried … maybe the insect emerged before the cold arrived.

I’ve called it a blotch mine and have seen similar pictures.

 I don’t need a name  to enjoy the find … it didn’t know its name either.

2 responses to this post.

  1. I’ve never seen that one. It looks like a gall. Possibly a blister gall.


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