Hyperstrotia flaviguttata - Hodges#9039
(Yellow-spotted Graylet).
Photo: 04/10/16, 9 pm.

The Yellow-spotted Graylet. A study on the feeding habits of adult moths states that this genus visited soil and puddles (most likely to obtain amino acids and sodium). Such mud-puddling behavior is well-known from butterflies. Pretty much all the information I could find on this moth. 
bug guide (this photo):