I found this 2" long bug on a cool August morning in Sonora, Texas. I am thinking it is an adult antlion but have not found its scientific name. Thanks,
For some reason, an in depth Antlion taxonomy with images is not available. Perhaps because it is so difficult to distinguish individual species they are generally grouped into the family Myrmeleontidae. We researched Antlion Taxonomy and found this information. The site The Antlion Pit has some fascinating anecdotal information.