Sleepy Duskywing, Erynnis brizo lacustra, at Cactus Springs Trail in the Santa Rosa Wilderness, March 30, 2011.

Ventral view of Erynnis brizo lacustra, Cactus Springs Trail, April 15, 2011.

Sleepy Duskywing, Erynnis brizo lacustra, ovipositing on host Desert Scrub Oak along the Cactus Springs Trail, same day as above ...

... and this is the resulting egg.