Argentine records have formerly been identified as the very similar species L. punctifrons. Probably a nocturnal canopy katydid which comes sometimes to the light. Belonging to a mostly tropical group of lichen mimics. About 35 mm.
PIRAN, A.A. 1942. Catálogo sistemático y zoogeográfico de Tettigonioideos argentinos (Orthoptera: Tettigonioidea). Revista de la Sociedad Entomológica Argentina 11(3):240-287:259 [Dysonia punctifrons].
PIRÁN, A.A. 1943. Miscelaneas sobre Tettigoniodeos argentinos (Orth. Tettig.). Revista de la Sociedad Entomológica Argentina 11(5):444-449:448 [Dysonia punctifrons].
COSTA LIMA, A.M. & GUITTON, N. 1960. Gênero Dysonia (Orth. Tettig. Phaneropteridae) Parte I. Anais da Academia Brasileira de Ciências 32:399-418:404.
COSTA LIMA, A.M. & GUITTON, N. 1961. Gênero Dysonia (Orth. Tettig. Phaneropteridae) Parte II - Conclusão. Anais da Academia Brasileira de Ciências 33:69-89 :69.
CADENA-CASTAÑEDA, O.J., BRAUN, H. & GARCÍA GARCÍA, A. 2022. The tribe Dysoniini part VI: Phylogeny, biogeography and evolutionary trends of the lichen katydid genera (Orthoptera: Tettigoniidae: Phaneropterinae). Eleventh contribution to the suprageneric organization of Neotropical phaneropterines. Zootaxa 5166(1):1–93:61.
FIANCO, M., SZINWELSKI, N. & FARIA, L.R.R. 2022. Katydids (Orthoptera: Tettigoniidae) from the Iguaçu National Park, Brazil. Zootaxa 5136(1):1–72 :29.