Preying Mantis Oothica

what’s this?
we found this in the corner of our fence, and I am assuming it’s some kind of cocoon, since there isn’t any opening. I have been searching the net for moths in oregon, to see if I could find a picture of it, but I have had no luck. Do you know what it could be? It looks like layers of paper, but there isn’t any opening, so I know it’s not a wasp.
ali in oregon

Hi Ali,
This is a Preying Mantis Egg Case, known as an Ootheca. It will hatch into several hundred baby mantids.

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