Ormenoides venusta.
Size: approx. 10 mm. Photo: 06/12/12, 11 pm.

Ormenoides venusta can be found in the eastern half of the US and Texas. Here it is the only unmarked flatid. The crossveins on its wings are almost random and the border of the wings is more or less orange in color. The genus has only two species in our area. The small photos were taken on 06/14/14 at 6 pm. 

bug guide (this photo):
bug guide (small photos):