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Contribuições taxonômicas para Palpigera Hebard (Orthoptera:Phalangopsidae) com descrição de novas espécies , novos registros e proposição de um novo gênero para Luzarina
(Universidade Federal do Pará, 2025-04) FRANCO, Lianderson Farias; TAVARES, Gustavo Costa; http://lattes.cnpq.br/1932927205901338; HTTPS://ORCID.ORG/0000-0002-1395-7552; FERNANDES, José Antônio Marin; http://lattes.cnpq.br/6743352818723245; https://orcid.org/0000-0001-7450-5296
The subtribe Luzarina is the most representative in the neotropical region, currently with 128 valid species distributed across 49 genera. In this study, we contribute to the knowledge of the group by describing five new species of Palpigera and a new genus with a new species, Parapalpigera amazonica gen. et sp. nov. The five Palpigera species were identified from 74 specimens collected in different locations in Brazil, including Serra do Cachimbo (PA), Canaã dos Carajás (PA), São José do Rio Claro (MT), Cocalzinho de Goiás (GO), and the Parque Nacional das Sete Cidades (PI). Morphological and internal genitalia analysis revealed that these species differ from other members of the genus in features such as the shape of the palpi, the tenth tergite, metanotal glands, the arrangement of the tympana on the forelegs, vein cells in the tegmina, and the morphology of the phallic complex. These species represent the first records of Palpigera for the northern and northeastern regions of Brazil. Additionally, we describe Parapalpigera amazonica gen. et sp. nov., collected in the Amazon rainforest. This new genus, probably related to Melanotes and Palpigera, is distinguished by its reduced tegmina without a stridulatory apparatus, absence of tympanum, long and thin palpi, shape of the endophallus sclerite, bifid endophallus apodeme, and shape of the female copulatory papilla. These findings expand the taxonomic and biogeographic knowledge of the Luzarina subtribe in the neotropical region.