Tibicininae, Distant, 1905

Goding, Frederic W., 1925, Synopsis of the Cicadidae of Ecuador, Revista del Colegio National Vicente Rocafuerte 7, pp. 1-34 : 16-17

Subfamily Tibicininae .

Key to Divisions.

Lateral margins of pronotum not dilated or angulate at middle, but are oblique, more or less narrowed anteriorly.

Abdomen more or less cylindrical, attenuated posteriorly, dorsum not longitudinally ridged at middle; males destitute of posterior metasternal processes between or behind hind coxae; anal appendages usually prolonged and prominent, lower plate usually lengthily porrect; base of tegmina distinctly reddish .............. Division Tibicininae .

Abdomen usually broad, robust, not cylindrical.

Metasternum globosely elevated centrally, ending posteriorly in two spinous processes between or behind hind coxae; dorsal surface of abdomen obtusely ridged along middle, depressed on each side, apex narrowed; tegmina usually spotted; opercula of male short, not passing base of abdomen ....... Division Hyantiaria.

Metasternum not globosely elevated centrally, destitute of spinous processes between or behind hind coxae; abdomen not dorsally ridged; body narrowed anteriorly and posteriorly; pronotum never longer than mesonotum; tegmina with or without spots.Division Carinetaria .

Lateral margins of pronotum some dilated, usually angulate at middle.

Head including eyes half the width at base of mesonotum; excluding apical segment, abdomen concave below, with a median longitudinal ridge, and internal margins recurved; basal cell of tegmina emitting apparently but one longitudinal vein......................... Division PLAUTILLARIA .

Head including eyes more than half width at base mesonotum; resembles Zamara.................... Division TETTIGADESARIA .