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Thamnotettix chiragrica, n. sp.—Form and size of T. parallela nearly, superficially resembling Cicadula punctifrons, var. Americana. Length, 6 mm.; width, very nearly 2 mm.
Vertex twice wider than lone, half longer on middle than against eye, disc convex slightly sloping, rounded to the face, front very broad and short, width at base and length about equal, the disc convex. Pronotum a third longer than the vertex, over twice wider than long; elytra long, almost parallel margined to the apex, venation distinct, apical cells short, their bases truncate, the anteapicals long.