Orthoptera, Acridoidea, Melanoplinae: Dichroplus obscurus Bruner, 1900, Distrito de los Campos, Misiones, Northeastern Argentina: historical occurrence

Abstract

Dichroplus obscurus Bruner, 1900 is closely allied to other eight species (D. conspersus, D. maculipennis, D. pratensis, D. porteri, D. robustulus, D. silveiraguidoi, D. vittatus and D. vittiger) that conform the Maculipennis group (Cigliano and Otte, 2003), widely distributed in Argentina, with a strong presence of some species in the Pampas, mainly in pastures, and also in Patagonia and the biogeographical regions of Monte and Espinal (Cigliano and Otte, 2003). Some of them also occur in Uruguay and Southern Brazil, and some have been cited for Bolivia, Chile and Paraguay (D. maculipennis: Brazil, Chile and Uruguay; D. pratensis: Bolivia, Brazil and Urguay; D. porteri: Chile; D. conspersus: Brazil, Chile; D. robustulus: Brazil, Uruguay, D. vittiger: Chile, D. silveiraguidoi: Brazil, Uruguay).