and this is probably Diaditus tejanus which is the fairly widespread southeastern species. Overall I'm not sure how I feel about Giacchi's revision. Concerning this image, four different character states make me lean toward "probably tejanus" but that is far from conclusive.

I realize the other images (currently under D. pictipes) are from the same locality and those are also "probably" D. tejanus but one would need to examine the specimen to know for sure. I'm going to reread the literature tonight but I believe that D. pictipes is known from essentially the same area of southern TX so coastal vs non-coastal doesn't really help in splitting the species.