CLOSED: cluster of white wooly cocoons or eggs

Madison, WI

Can anyone narrow down my search for the creators of these? They are on pine needles, each has a large exit hole at one end, and they are surrounded by spatters of black frass.

Thumbnail by squillid
Madison, WI

They are near and in a house in montane Colorado. They seem to be always associated with pine needles.

Minot, ND

These look like cocoons made by the larvae of a braconid wasp after they leave the body of their host.

Madison, WI

Thank you! I think you are right. It's an oral tradition, largely, this natural history stuff... I appreciate the help.

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