Fotografía tomada por Luis Alberto Belmares Sánchez.
dead next to the trap nest.
Currently there are just Osmia cornuta using the trap nest and building their nests.
overall reddish brown color. Bright white/yellow spots on abdomen. ~5/8" long
On a ponderosa in Death Hollow
This photo is frustratingly blurry as you can see something arthropodish on the underside. Newly hatched? I have an earlier observation of something similar:
https://inaturalist.ca/observations/63098717
that I thought might be a lacewing egg.