Oregon Horntail - Urocerus flavicornis - Lostine River, Lost Lake Trail, Lostine, Wallowa County, Oregon, USA August 3, 2006
We found this Horntail on some downed wood along the trail. She seems to be laying eggs. It's not clear exactly how the ovipositor works but it seems to be inserted into the wood, down from the center of her abdomen.
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