Key to world species of Neostroblia Heinrich 1. Lateromedian carinae of propodeum (Fig. 8) indistinct; transverse carinae absent. Mesosoma and metasoma entirely black. Legs entirely black except tibiae with wide basal white bands.................... N. melana Sheng & Watanabe sp. nov. -. Lateromedian carinae of propodeum at least present partly; transverse carinae at least partly present. Mesosoma and metasoma partly red or reddish brown. Legs with different coloration..................................................... 2 2. Body entirely rufous. Wings dusky hyaline. Fore wing with vein 1cu-a far distal to M&RS.... … N. incessans (Davis, 1897) -. Mesosoma mainly black, anterior and posterior portions of metasoma black. Wings distinctly hyaline. Fore wing with vein 1cu-a almost opposite or slightly distal to M&RS. …............................................................ 3 3. Area superomedia separated from area petiolaris by carina. Posterior margin of tergite 1 widened. Tergites (5) 6–7 black. Posterior margins of tergites 6–7 white............................................... N. ruficollis (Holmgren, 1857) -. Area superomedia and area petiolaris confluent. Posterior margin of tergite 1 narrowed. Tergites 4 and subsequent tergites reddish brown with darkish spots laterally. Posterior margins of tergites 6–7 not white........ N. pseudoliturata (Strobl, 1903)

Published as part of Sheng, Mao-Ling, Watanabe, Kyohei & Huang, Rui-Fen, 2022, First Oriental record of genus Neostroblia Heinrich (Hymenoptera, Ichneumonidae, Ctenopelmatinae) with description of one new species, pp. 274-280 in Zootaxa 5115 (2) on page 275, DOI: 10.11646/zootaxa.5115.2.6, http://zenodo.org/record/6352454