Little walking leaves from southeast Ecuador: biology and taxonomy of Typophyllum species (Orthoptera, Tettigoniidae, Pterochrozinae) Author Braun, Holger text Zootaxa 2015 4012 1 1 32 journal article 10.11646/zootaxa.4012.1.1 0b7d3317-e0a6-4491-a068-bc0378359441 1175-5326 289354 4DE5E609-AC90-4AA5-84D1-AA0D86B5C4DB Typophyllum trigonum Vignon 1925 T. quadriincisum Vignon 1925 syn. nov. http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:5516 T. trigonum : Vignon 1925a : 262 , Vignon 1930 : 427, Vignon 1931 : 123, Beier 1960 : 358; T. quadriincisum : Vignon 1925a : 265 , Vignon 1930 : 427, Vignon 1931 : 124, Beier 1960 : 358. Also first group. The female holotype of T. trigonum from north-western Brazil (Amazonas) has tegmina with uniform margins (the paratype from the Loreto Region in northern Peru apparently as well). The female holotype of T. quadriincisum from northern Peru (also Loreto Region) shows identical tegmen shape and venation, except for the eponymous four emarginations near the tip (photos of both specimens in OSF).