Sitting on fluffy chick (who peeked out occasionally), and panting as it was a warm day.
Noctuid moth, perhaps an Arches, Orthodes species? (wingspan ~35 mm)
Updated caption based on ID here:
Disparaged Arches - Orthodes detracta
Also posted at:
https://bugguide.net/node/view/2265334
References
The small yellow flower there looks somewhat like a violet. Not entirely sure what it is. Ignore the larger plant obscuring it.
07 Jun 2015.
Hampton Inn, Pittsburgh, Allegheny Co, PA.
Found at the edge of a parking lot.