Viadana septentrionalis Piza, 1980

Chamorro-Rengifo, Juliana & Braun, Holger, 2010, The Tettigoniidae (Orthoptera) described by Salvador de Toledo Piza Jr. and deposited in the collection of the University of São Paulo, Escola Superior de Agricultura " Luiz de Queiroz ", Braz, Zootaxa 2635, pp. 41-66: 59

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Viadana septentrionalis Piza, 1980

comb. nov.

Viadana septentrionalis Piza, 1980  comb. nov.

Paraviadana septentrionalis Piza, 1980 

Paraviadana Piza, 1980  syn. nov. of Viadana Walker, 1869 

According to the original description male holotype differs from Viadana  by cerci with a preapical tooth and a truncate subgenital plate with two strong spiniform teeth. However, fairly similar subgenital plates have the males of V. multiramosa  and V. zetterstedti  , and there is a considerable morphological diversity of male cerci in the genus, including multi-toothed tips (V. f e s t a e, V. inversa  ) and pre-apical processes ( V. zetterstedti  ).