Celery Leaftier Moth. Identification was provided by butterfliesandmoths.org.
Syrphid Fly. Identification to species is not as certain as genus.
Tall White Aster
Greater Angle-wing Katydid
Texas White Ash
Obscure Bird Grasshopper
Giant Water Bug
Snow-on-the-mountain (E. marginata) or Snow-on-the-prairie (E. bicolor). I originally identified as E. marginata because of the lack of white margins on the leaves, but I returned a few weeks later and the plants had developed long leaves with white margins.