What's That Bug? does not endorse extermination

What is this?
Our 3 1/2 year old son Jacob found this in our wood pile today (4/11) and we have no idea what it is. We live in Northern California.
Sara & Jacob Ysunza

Hi Sara and Jacob,
This is an Ichneumon. Ichnuemons are nonstinging relatives of wasps. The female uses her long ovipositor to deposit eggs into the host insect. Many Ichneumons parasitize wood boring insects, hence her presence in a wood pile. Our guess is that this is a species of Arotes.

What's That Bug? does not endorse extermination

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