The zoological results of Gy. Topál’s collectings in South Argentina. 28. Ichneumonidae: Campopleginae: Hyposoter Förster, 1869 and Campoletis Förster, 1869 (Hymenoptera)

Taxonomical results published in this paper are based on the Neotropical Campopleginae (Hymenoptera: Ichneumonidae) material collected in Argentina by György Topál in 1961. In this paper, the genera Hyposoter Förster, 1869 and Campoletis Förster, 1869 are treated. Three new species are described: Hyposoter tenebricus sp. nov., Hyposoter topali sp. nov., and Hyposoter vittatus sp. nov. Additionally, Campoletis argentifrons (Cresson, 1864) is reported for the first time from Argentina. With nine photos.