Table 1. Japanese* Orthocentrinae SpeciesDistribution in Japan (literature)Aniseres baikalensis Humala, 2007Honshu: Nagano (present study)Aniseres subarcticus Humala, 2007Hokkaido (Watanabe, 2019b)Aperileptus albipalpus (Gravenhorst, 1829)Kunashiri Is. (Kasparyan et al., 2012); Hokkaido (present study)Aperileptus obscurus Humala, 2007Kunashiri Is. (Kasparyan et al., 2012)Aperileptus vanus Förster, 1871"Japan" (Dasch, 1992); Hokkaido; Honshu: Nagano, Yamanashi, Shizuoka; Yakushima Is. (present study)Apoclima brevicauda sp. nov.Hokkaido (present study)Apoclima longicauda sp. nov.Honshu: Aomori; Yakushima Is. (present study)Catastenus femoralis Förster, 1871"Japan" (Dasch, 1992)Catastenus japonicus Watanabe, 2019Hokkaido; Honshu: Yamanashi (Watanabe, 2019b)Dialipsis dissimilis Dasch, 1992"Japan" (Dasch, 1992); Kunashiri Is. (Kasparyan et al., 2012)Entypoma ferale Rossem, 1988Honshu: Nagano (Rossem, 1988)Eusterinx (Divinatrix) inaequalis Rossem, 1981"Japan" (Dasch, 1992)Eusterinx (Divinatrix) kurilensis Humala, 2004Kunashiri Is. (Kasparyan et al., 2012); Hokkaido; Honshu: Nagano (present study)Eusterinx (Holomeristus) tenuicincta (Förster, 1871)"Japan" (Dasch, 1992); Kunashiri Is. (Kasparyan et al., 2012); Honshu: Nagano (Rossem, 1982); Hokkaido (present study)Eusterinx (Ischyracis) bispinosa (Strobl, 1901)Kunashiri Is. (Kasparyan et al., 2012); Hokkaido (present study)Gnathochorisis crassulus (Thomson, 1888)"Japan" (Dasch, 1992); Hokkaido; Honshu: Yamanashi, Nagano, Toyama, Tottori (Watanabe, 2020)Gnathochorisis dentifer (Thomson, 1888)"Japan" (Dasch, 1992); Hokkaido; Honshu: Nagano (Watanabe, 2020)Gnathochorisis flavipes Förster, 1871Hokkaido; Honshu: Ibaraki, Niigata, Toyama; Kyushu: Kagoshima; Yakushima Is. (Watanabe, 2020)Gnathochorisis fuscipes Humala & Lee, 2016Honshu: Toyama (Watanabe, 2020)Gnathochorisis koreensis Humala & Lee, 2016Tsushima Is. (Watanabe, 2020)Gnathochorisis nipponicus Watanabe, 2020Honshu: Hyogo (Watanabe, 2020)Helictes borealis (Holmgren, 1857)Kunashiri Is. (Kasparyan et al., 2012)Helictes erythrostoma (Gmelin, 1790)Kunashiri Is. (Kasparyan et al., 2012)Hemiphanes erratum Humala, 2007Kunashiri Is. (Kasparyan et al., 2012); Hokkaido; Honshu: Tochigi, Yamanashi, Nagano, Fukui (present study)Hemiphanes flavipes Förster, 1871Kunashiri Is. (Kasparyan et al., 2012)Hemiphanes gravator Förster, 1871Hokkaido; Honshu: Tochigi, Kanagawa, Yamanashi, Toyama (present study)Hemiphanes japonicum sp. nov.Hokkaido; Honshu: Gunma, Toyama (present study)Megastylus (Dicolus) excubitor (Förster, 1871)Honshu: Yamagata, Yamanashim Nagano, Toyama; Yakushima Is. (present study)Megastylus (Dicolus) impressor Schiødte, 1838Hokkaiso; Honshu: Niigata, Tochigi, Kanagawa, Yamanashi, Shizuoka, Toyama, Ishikawa, Kyoto; Kyushu: Fukuoka (present study)Megastylus (Dicolus) pectoralis (Förster, 1871)Hokkaido; Honshu: Yamagata, Fukushima, Niigata, Tochigi, Kanagawa, Shizuoka, Nagano, Toyama; Shikoku: Tokushima; Kyushu: Saga, Oita (present study)Megastylus (Megastylus) cruentator Schiødte, 1838Kunashiri Is. (Kasparyan et al., 2012); Hokkaido; Honshu: Niigata, Yamanashi, Nagano, Toyama (present study)Megastylus (Megastylus) orbitator Schiødte, 1838"Japan" (Dasch, 1992); Shikotan Is. (Kasparyan et al., 2012); Hokkaido; Honshu: Miyagi, Tochigi, Toyama, Ishikawa; Kyushu: Fukuoka (present study)Megastylus (Megastylus) kuslitzkii Humala, 2007Hokkaido (present study)Neurateles asiaticus Watanabe, 2016 Orthocentrus brachycerus Humala & Lee, 2020Honshu: Tochigi (Watanabe, 2016); Honshu: Shizuoka (present study) Hokkaido; Honshu: Iwate, Miyagi, Gunma, Ibaraki, Shizuoka; Kyushu: Oita; Okinawajima Is. (Watanabe et al., 2020)Orthocentrus winnertzii Förster, 1869Hokkaido (Humala et al., 2020)Pantisarthrus lubricus (Förster, 1871)"Japan" (Dasch, 1992: as Pa. inaequalis); Hokkaido; Honshu: Aomori, Iwate (present study)Plectiscidea (Fugatrix) communis (Förster, 1871)"Japan" (Dasch, 1992); Kunashiri Is. (Kasparyan et al., 2012); Hokkaido; Honshu: Nagano, Kanagawa, Gifu, Osaka; Kyushu: Fukuoka, Miyazaki (Watanabe, 2019a)Plectiscidea (Plectiscidea) collaris (Gravenhorst, 1829)Kunashiri Is.; Shikotan Is. (Kasparyan et al., 2012)Proclitus fulvicornis (Förster, 1871)"Japan" (Dasch, 1992)Proclitus ganicus Sheng & Sun, 2013Honshu: Kanagawa; Shikoku: Kagawa; Yakushima Is.; Yakushima Is.; Amamioshima Is.; Tokunoshima Is.; Okinawajima Is.; Ishigakijima Is.; Iriomotejima Is.; Yonagunijima Is. (present study)Proclitus praetor (Haliday, 1838)Hokkaido; Honshu: Gunma, Nagano (present study)Proclitus tuberculatus sp. nov.Honshu: Kanagawa, Aichi; Amamioshima Is.; Tokunoshima Is.; Okinawajima Is.; Iriomotejima Is. (present study)Stenomacrus dendrolimi (Matsumura, 1926)Etorofu Is. (Kasparyan et al., 2012)Symplecis bicingulata (Gravenhorst, 1829)"Japan" (Dasch, 1992); Kunashiri Is. (Kasparyan et al., 2012); Hokkaido; Honshu: Aomori, Iwate, Miyagi, Gunma, Hyogo; Shikoku: Tokushima; Kyushu: Oita (Watanabe et al., 2020)Terminator notabilis Humala, 2007Hokkaido (Watanabe, 2018) * not including a species previously recorded from Sakhalin, Orthocentrus fulvipes Gravenhorst, 1829.

Published as part of Watanabe, Kyohei, 2023, Taxonomic and Zoogeographic Notes on Japanese Orthocentrinae (Hymenoptera, Ichneumonidae), with Descriptions of Four New Species, pp. 9 in Bulletin of the Kanagawa Prefectural Museum (Natural Science) 52 on page 9, DOI: 10.5281/zenodo.11283244