I'm going out on a limb and saying this is a Brown Spiketail because of the yellow pattern on the abdomen and yellow stripes on the thorax. It seems to fit.
There were several of these (and they were occasionally arguing--tussling) in a small sunny clearing at the edge of the woods at Turnbull.
This is another of the Brown Spiketails I saw at the edge of the woods at Turnbull.
This is the third of several Brown Spiketails I observed in a sunny clearing at Turnbull.
Very large dragonfly, near a creek and a pond
Male - caught and released