Glaphyria glaphyralis - Hodges#4869
(Common Glaphyria Moth).
Size: approx. 7 mm. Photo: 08/14/14, 10 pm.

To the eye this little moth looked like a shiny, yellowish golden triangle or pyramid. The genus Glaphyria has six species in North America. 
bug guide (this photo):

Glaphyria fulminalis - Hodges#4873
(Black-patched Glaphyria Moth).
Photo: 08/25/18, 11 pm.

One of six Glaphyria species in North America. This one has most of the eastern half of the country as its range. The wingspan is about 11 mm. 
bug guide (this photo):