Adult reared from caterpillar. Included are photos of the caterpillar (originally at https://www.inaturalist.org/observations/207276444) and pupa (originally at https://www.inaturalist.org/observations/209402716) .
Observation date and location refer to original caterpillar find.
I believe it might be A. californica but I’m not certain. Nectaring on a wild hyacinth (Dichelostemma capitatus). This was the only photo I was able to grab before it took off out of sight
On a Acmispon glaber