Diversity of True Bugs from the Rio Pilcomayo National Park, Formosa Province, Argentina

The study of the Heteroptera (Hemiptera) fauna of the Rio Pilcomayo National Park, resulted in an inventory composed of: Alydidae (3 spp.), Aradidae (1 sp.), Belostomatidae (4 spp.), Berytidae (1 sp.), Blissidae (4 spp.), Colobathristidae (1 sp.), Coreidae (4 spp.), Corixidae (3 spp.), Cydnidae (12 spp.), Cymidae (1 sp.), Gelastocoridae (1 sp.), Geocoridae (1 sp.), Gerridae (1 sp.), Hebridae (1 sp.), Largidae (3 spp.), Lygaeidae (6 spp.), Miridae (14 spp.), Pachygronthidae (3 spp.), Pachynomidae (1 sp.), Pentatomidae (3 spp.), Pyrrhocoridae (1 sp.), Reduviidae (10 spp.), Rhopalidae (9 spp.), Rhyparochromidae (20 spp.), Saldidae (1 sp.), Scutelleridae (2 spp.), Tingidae (1 sp.). These findings include three new records for the Argentinean fauna: Niesthrea digna Chopra (Rhopalidae), Galgupha (Psestophleps) costomaculata McAtee and Malloch, and Dallasiellus alutaceus Froeschner (Cydnidae); and 69 new records for Formosa Province.