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The present study provides an important contribution to the knowledge of the geographic distribution of Xestotrachelus Bruner, 1913 (Orthoptera: Romaleidae: Romaleini), a monotypic genus comprised of Xestotrachelus robustus (Bruner, 1911) that has a wide geographic distribution in Brazil. Specimens were collected at the Panga Ecological Reserve, Uberlândia, Minas Gerais, in the Brazilian Cerrado. We provide a key to distinguish Xestotrachelus from other genera found in South America.
The genus Legua Walker, 1870 comprises only two known species from Central America and Brazil, with a notable scarcity of collected specimens. Herein, we provide a new contribution to our knowledge of the distribution of Legua rosea Amédégnato and Poulain, 1986 (Romaleinae: Leguini), that has a restricted distribution in Brazil, based on entomological collection data and social media information. Our records emphasize the importance of natural history collections and new tools for biodiversity studies.
ZooBank registration. urn:lsid:zoobank.org:pub:17E0802B-A389-4983-AC74-21B51197F557
Oncotophasma aurantiaviridiata Murcia, Cadena-Castañeda, and Silva new species (Phasmida: Diapheromeridae)from the Colombian Andes is described. The new species is distinguished by its peculiar coloration, which highlights greenish and orange tones. It is also the first record of the genus for the eastern slope of the Colombian Andes. The previous distribution recorded for the genus is the Chocó biogeographic region from Costa Rica to Colombia, with species being found in the Colombian areas of influence of this biogeographic region, such as the western and central slopes of the Andes.
New tribes, overview and checklist of Neotropical Cladonotinae (Orthoptera: Caelifera: Tetrigidae)
(2019)
The Cladonotinae (Orthoptera: Caelifera: Tetrigidae) are a peculiar tetrigid taxon characterized by a relatively widened fascial carina on the frontal costa. This group currently has a doubtful taxonomic status since this is the only character shared by its members. Here, we provide an overview of the Cladonotinae reported from the Neotropical region (29 species, three of them fossils), based on the morphological examination of the specimens housed at several museums. We show that Neotropical Cladonotinae share more characteristics, which strengthen its taxonomic status, and propose two new tribes: Choriphyllini n. trib. and Mucrotettigini n. trib. We propose the new combination Cota undulata (Cadena-Castañeda and Cardona-Granda, 2015) n. comb. (from Metrodora undulata Cadena-Castañeda and Cardona, 2015). We also propose splitting the genus Dasyleurotettix Rehn, 1904 by revalidating the status of one of its junior synonyms, Liotettix Bolívar, 1906, and creating the combinations Liotettix affinis Bruner, 1920 n. comb. (from Dasyleurotettix affinis (Bruner, 1920)), L. lobulatus Stål, 1861, rev. comb. and L. miserabilis Blanchard, 1851, rev. comb. We then transfer both Liotettix and Dasyleurotettix out of Cladonotinae, with the former going to subfamily Tetriginae and the latter going to tribe Criotettigini (Tetrigidae: Scelimeninae). Additionally, we provide a taxonomic key for Neotropical Cladonotinae genera.
A new pygmy unicorn genus, Brazitettix Silva, new genus, and two new species, Brazitettix roraimae Silva, new species and Brazitettix paulista Silva, new species (Orthoptera: Caelifera: Tetrigidae) are described in Brazil. This new genus is a unique tetrigid taxon in the American continent due a notched-long and elevated head projection. The morphology of this taxon resembles Rostella Hancock, 1913 and Dravidacris Bhaskar and Kasalo, 2022 that are currently comprised into Cleostratini, an artificial group that contains biogeographic distant taxa with distinct morphological head projection.
ZooBank registration. urn:lsid:zoobank.org:pub:3AB1A4C4-5358-4DB4-85D0-39BB4109D8C0