Apodemia mejicanus deserti - Desert Metalmark
Apodemia deserti - the Desert Metalmark. I found these flying in good numbers in a patch of their host Eriogonum inflatum at a turnout along Highway 74 in Palm Desert. June 9, 2019.
Apodemia mejicanus deserti - Desert Metalmark
This female was ovipositing on the buds of the host inflatum a day earlier. June 8, 2019.
Apodemia mejicanus deserti - Desert Metalmark
And here's the best shot I could get of the resulting egg. June 8, 2019.
Apodemia mejicanus deserti - Desert Metalmark
Sometimes these are called Apodemia mejicanus deserti. This and all below are from Rock Corral, SBern Co., April 14, 2008.
Apodemia mejicanus deserti - Desert Metalmark
Apodemia mejicanus deserti. Note the gray ground color of the wings.
Apodemia mejicanus deserti - Desert Metalmark
Apodemia mejicanus deserti. These also have relatively large white macules compared to others in the mormo complex.
Apodemia mejicanus deserti - Desert Metalmark
Ventral of Apodemia mejicanus deserti.

©Dennis Walker