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Deux importantes collections de Tetrigidae Rambur, 1838 renfermant plus de 1 000 individus en provenance de Guyane ont été consultées et révisées afin de compléter la connaissance de ce groupe sur ce territoire. Compte-tenu du volume important de spécimens à traiter, les analyses se sont concentrées sur deux sous-familles, les Batrachideinae Bolívar, 1887 et les Lophotettiginae Hancock, 1909, soit 489 individus dont 456 ont pu être identifiés à l'espèce. Les résultats font état de la présence de 14 taxons, dont 11 nouveaux pour le département et quatre nouveaux pour la science et décrits dans cet article: Paurotarsus pennatulus n. sp., Scaria guyanensis Doucet & Itrac-Bruneau, n. sp., Scaria macromaculata Doucet & Itrac-Bruneau, n. sp. et Scaria madeleinae n. sp. En outre, la femelle de Phelene maroonCadena-Castañeda & Tumbrinck, 2021 et le mâle de Tettigidea pulchellaRehn, 1904, inconnus à ce jour, sont décrits grâce à ce matériel. Suite à ces nombreux apports, une nouvelle clé d'identification pour les deux sous-familles étudiées est proposée.
Contribution of the collections of the Muséum national d'Histoire naturelle and Didier Morin to the knowledge of the Batrachideinae and Lophotettiginae (Orthoptera, Tetrigidae) of French Guiana.
Two important collections of Tetrigidae Rambur, 1838 containing more than 1000 individuals from French Guiana were consulted and revised in order to complete the knowledge of this group in this area. Given the large number of specimens to be treated, the analyses focussed in a first time on two subfamilies, Batrachideinae Bolívar, 1887 and Lophotettiginae Hancock, 1909, representing 489 individuals of which 456 were identified to species level. The results show the presence of 14 taxa, of which 11 are new to the department and four are new to science and described in this article: Paurotarsus pennatulus n. sp., Scaria guyanensis Doucet & Itrac-Bruneau, n. sp., Scaria macromaculata Doucet & Itrac-Bruneau, n. sp. and Scaria madeleinae n. sp. In addition, the female of Phelene maroonCadena-Castañeda & Tumbrinck, 2021 and the male of Tettigidea pulchellaRehn, 1904, unknown until now, are described thanks to this material. As a result of these numerous contributions, a new identification key for the two studied subfamilies is proposed.
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