Taxonomic Notes and New Distribution and Host Plant Records for Sawflies and Woodwasps (Hymenoptera, Symphyta) of Japan VII

Abstract

Beleses eikoae Togashi, 2004 is synonymized with Beleses nigrifemoratus Togashi, 1999. Additional descriptions are given for Beleses nigrifemoratus, Caliroa vaccini Okutani, 1965 and Fagineura parva Hara, 2022. The males of Beleses nigrifemoratus and Euura damnacanti (Takeuchi, 1922) are described for the first time. Abia triangularis (Takeuchi, 1931) is recorded from Hokkaido for the first time. New host plant records are given for Aproceros leucopoda Takeuchi, 1939, Arge gracilicornis (Klug, 1814), Beleses nigrifemoratus, Euura damnacanti, Fagineura parva, Heterarthrus alnivorus Togashi, 1992, Mesoneura macroptera Takeuchi, 1936, Mesoneura mikagei Togashi, 1998, Tomostethus nigritus (Fabricius, 1804) and Monoxiphia harai (Shinohara, 2019). Notes on life history, larvae or distribution are given for Arge gracilicornis, Pamphilius kamikochensis Takeuchi, 1930, Ametastegia polygoni Takeuchi, 1929, Beleses nigrifemoratus, Caliroa vaccini, Euura damnacanti, Fagineura parva, Mesoneura macroptera, Mesoneura mikagei, Tomostethus nigritus, Xiphydria kanba Shinohara, Hara and Smith, 2020, and Xyelecia japonica Togashi, 1972.