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A Taxonomic Revision of the South American Trilobite Cockroaches of Parahormetica Brunner von Wattenwyl 1865 (Blattodea: Blaberidae), with Description of Parahormetica museunacional sp. nov. from the Atlantic Forest

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Abstract

The taxonomically intricate genus of trilobite cockroaches, Parahormetica Brunner von Wattenwyl, 1865, is revised based on a comparative morphological analysis. The goals of this study are to review the nomenclature, propose hypotheses about specific delimitation, and provide diagnoses to allow identification of the taxonomic units in the genus. Based on the revised status of Parahormetica, we transferred Parahormetica hylaeceps Miranda-Ribeiro, 1936, and Parahormetica punctata Saussure, 1873, to the genus Bionoblatta Rehn, 1940. Therefore, the genus includes now four species of giant cockroaches which are predominantly distributed on the Atlantic Forest: Parahormetica bilobata (Saussure, 1864), Parahormetica cicatricosa Saussure, 1869, Parahormetica monticollis (Burmeister, 1838), and Parahormetica museunacional sp. nov. (holotype male deposited in DZUP: Brazil, Paraná). Diagnoses, key, distribution maps, images of living, non-type, and type specimens are made available. Our results make clear that the status and limits among Brachycolini genera pending a full revision.

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Data Availability

All data supporting the findings of this study are available within the paper, listed as material examined, references cited and supplementary information or are in the platform Inaturalist (as the records, of Parahormetica species, identifed by LP).

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Acknowledgements

We express our gratitude to Ana Maria Vasques, Carlos Lamas, Carlos Campaner and Eliana Cancello (MZSP), Harald Bruckner (NHMW), Edivar Heeren de Oliveira, Gabriela Jardim and Sonia Maria Fraga Lopes (MNRJ), Edward Baker, Hans-Joachim Händel (MLUH), John Hollier (MNHG), José Roberto Pujol Luz (DZUB), and Orlando Tobias Silveira (MPEG) for made available specimens, images, and references for this study. Thanks also are due to the TaxOnline by the equipment utilized at DZUP/UFPR and the technician Keli C. C. Morais for her assistance, and the professionals of the Biology Sector Library of UFPR for the help to access references during the pandemic period. Thanks to Juliana Ehlert to test the key, and Marcus V. O. de Almeida to compilated the data used at etymology of the new species. At last, we are grateful to the photographers Carlos Alexandre Mattos Raposo and José Horacio Grau and Rodrigo Mayworm da Silva for giving permission to use their imagens. An early draft of this study was beneficiated by review of bachelor’s committee by Gabriel Melo and Luciane Marinoni (UFPR).

Nomenclature

Zoobank registration number http://zoobank.org/References/urn:lsid:zoobank.org:pub:94858045-9B44-4F3F-9454-BDEDB4FF03CA

Funding

This study was partially supported by grants from by National Council for Scientific and Technological Development (CNPq) via PBIBC/UFPR, Project “Insetos e a metrópole – Edital #02/2020—PESQUISA/PRPPG/UFPR, Apoio a Atividades de Pesquisa.” and Coordination for the Improvement of Higher Education Personnel (CAPES) via PPGEnto/UFPR by scholarships to LP; from Project “Insetos e a metrópole” (Edital #02/2020, #06/2021 and, #04/2023—PESQUISA/PRPPG/UFPR, Apoio a Atividades de Pesquisa); TaxOnline—Network of Biological Collections of Paraná through grant by NAPI—Fundação Araucária de Apoio ao Desenvolvimento Científico e Tecnológico do Estado do Paraná (FA, process #103/2020) to APP.

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Contributions

Both authors contributed equally to the study concept and design as well as data collecting, analysis, and manuscript writing. The authors revised and approved the final draft of the manuscript.

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Correspondence to Leonardo Polizeli.

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Edited by Élison F Bezerra Lima

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Polizeli, L., Pinto, Â.P. A Taxonomic Revision of the South American Trilobite Cockroaches of Parahormetica Brunner von Wattenwyl 1865 (Blattodea: Blaberidae), with Description of Parahormetica museunacional sp. nov. from the Atlantic Forest. Neotrop Entomol 53, 277–303 (2024). https://doi.org/10.1007/s13744-024-01129-6

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