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 ", Brazil Author Chamorro-Rengifo, Juliana Author Braun, Holger text Zootaxa 2010 2635 41 66 journal article 10.5281/zenodo.198409 4eb51d5a-162f-4e84-89b2-dca495a07b9f 1175-5326 198409 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 ).