Some of the grasshopper species with less abundance in the Pampas region during 1986-2018. a) Neopedies bruneri, b) Leptysma Argentina, c) Chromacris speciosa, d) Metaleptea adspersa, e) Diponthus argentinus, f) Dichroplus vittatus, g) Spathalium audouinii Images not to scale. Photos by M.L. de Wysiecki (a, f), M. Mancini (b), M.M. Cigliano (c, d and e) from Carbonell et al. (2024) and Y. Mariottini (g).

Some of the grasshopper species with less abundance in the Pampas region during 1986-2018. a) Neopedies bruneri, b) Leptysma Argentina, c) Chromacris speciosa, d) Metaleptea adspersa, e) Diponthus argentinus, f) Dichroplus vittatus, g) Spathalium audouinii Images not to scale. Photos by M.L. de Wysiecki (a, f), M. Mancini (b), M.M. Cigliano (c, d and e) from Carbonell et al. (2024) and Y. Mariottini (g).

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This study, spanning 37 years, assessed the diversity of grasshopper communities across much of the Pampas region. Ninety-five sampling sites were established in Buenos Aires and La Pampa provinces. Five zones were defined: Northeast (NE), Northwest (NW), Southeast (SE), Southwest (SW), and West (W). Each site was categorized according to the domin...