Synonyms and other taxonomic changes
Apparently, pronotal shape is fairly distinctive--a strong central ridge, and not higly arched. The other common genus in east is Nomotettix, and it has a strongly arched pronotum. In east, compare Tetrix (pronotum somewhat similar) and Nomotettix (arched pronotum, no ridge). See print references.
North America, most species in southeast.
Tettigidea empedonepia, the Neotenic, or Torreya Pygmy Grasshopper, is local and rare.
Arnett, p. 177, lists genus only. (1)
Bland, describes, has photos, of T. armata and T. lateralis. [cite:7805
Brimley, p. 28, lists for North Carolina: T. armata, T. lateralis (statewide), T. prorsa (coastal plain)
Helfer, pp. 91-92, describes T. empedonepia, T. armata, T. lateralis, T. acuta and T. prorsa (3)
North Carolina State University Entomology Collection
lists from that state, with number pinned: acuta (12), armata (4), laterale (179), prorsa (11)