This beautiful katydid with the spiny crest is potentially new to science. \
It might be Diacanthodis formidabilis, described in 1838 from a female from Brazil, of which the unique type specimen seems to be lost. But some details in the original description are slightly different compared to the also collected female of the Ecuadorian species.
Scientific Name and Classification
subfamily Pseudophyllinae, tribe Pleminiini
On a RAP survey, Tepuyes of the Upper Nangaritza River and Cordillera del Cóndor, Provincia de Zamora-Chinchipe, Ecuador, South America.
Male, body length (including wings) 30-35 mm
Holger Braun, University of Illinois at Urbana-Champaign