The Austral Predator Katydid-new species of Megatympanon Piza, 1958 (Orthoptera: Tettigoniidae: Listroscelidinae: Terpandrini) from the Brazilian Atlantic Rainforest Author Mendes, Diego Matheus De Mello 0000-0001-5037-9686 diego.mello.mendes@gmail.com Author Sobral, Rafael 0000-0001-5037-9686 Instituto Nacional de Pesquisas da Amazônia, INPA, Programa de Pós-graduação em Entomologia, Caixa Postal 2223, 69080 - 971, Manaus, Amazonas, Brazil. rafaelsobralves @ gmail. com; https: // orcid. org / 0000 - 0002 - 4975 - 1193 diego.mello.mendes@gmail.com Author Neto, Alberto Moreira Da Silva 0000-0001-5037-9686 Instituto Nacional de Pesquisas da Amazônia, INPA, Programa de Pós-graduação em Entomologia, Caixa Postal 2223, 69080 - 971, Manaus, Amazonas, Brazil. rafaelsobralves @ gmail. com; https: // orcid. org / 0000 - 0002 - 4975 - 1193 & Universidade Estadual de Feira de Santana, 44036 - 900, Feira de Santana, Bahia, Brazil. diego.mello.mendes@gmail.com text Zootaxa 2023 2023-04-06 5263 3 430 440 http://dx.doi.org/10.11646/zootaxa.5263.3.7 journal article 244289 10.11646/zootaxa.5263.3.7 dd5f06aa-5f0b-4bc5-9563-e495ee26faba 1175-5326 7804383 5BE2011B-8F58-415C-B788-EBFB8E5B6DB1 Megatympanon Piza, 1958 Figures 1–9 Megatympanon Piza, 1958 ; Piza 1971; Reik, 1769; Rentz, 2001 ; Rentz, 2010 ; Fialho et. al , 2014; Cigliano et. al , 2023 Megatympanophon Rentz, 1979 (Misspelling) Diagnosis. Sclerites of antennal sockets touching in midline, concealing the tip of fastigium ( Fig. 2B ). Thoracic auditory spiracle oval and wide, partially covered by the paranotum, free from pronotum ( Fig. 2D ). Sternites with two spine-shaped processes ( Figs. 2E and 5E ) ( Fialho et al. 2014 ). Tegmina with distinct modifications in veins AA, CuP and CuA, forming two big mirror cells in basal area ( Fig. 3 and 6 ). Distribution. Brazil : Espírito Santo (new record), Rio de Janeiro , Minas Gerais (new record), São Paraná , Paran (new record), Santa Catarina (new record) and Rio Grande do Sul (new record).