"...I stumbled onto a cracker on the bait log near the maintenance shed that had the fieldmarks of a female Glaucous Cracker including no red in the "s" and the magic black spot with a white circle in the seventh cell." --Dan Jones in Facebook's Rio Grande Butterflies 9/12
Female. Continuing rarity. Interacting with the butterfly in observation 237679060, which I believe to be the male.
On window screen. Photo & entry by CP.