Ziegler, J., Pohl, J. & Evenhuis, N. L.: Die Reise des Entomologen Hermann Loew nach Kleinasien in den Jahren 1841-1842. Özbek, H. & Dathe, H. H.: The bees of the genus Hylaeus Fabricius, 1793 of Turkey, with keys to the subgenera and species (Hymenoptera: Anthophila, Colletidae). Dathe, H. H.: Widmungen für Bernhard Klausnitzer anlässlich seines 80. Geburtstages. Gaedike, R.: New taxa and new records of Afrotropical Epermeniidae (Lepidoptera) with a distributional checklist. Riedel, M.: Contribution to the knowledge of Ichneumoninae of Siberia and Far East Russia (Hymenoptera, Ichneumonidae). Corrections Goulet, H. 2020: Nearctic Tenthredo: a monograph of the verticalis and prosopa groups (Hymenoptera: Tenthredinidae). - In: Nova Supplementa Entomologica, Müncheberg 26: 1-178. New taxa: Epermenia (Calotripis) larseni n. sp., Epermenia (Calotripis) albofasciata n. sp., Aoplus ocellator n. sp., Chasmias paludator sibiricus n. ssp., Hoplismenus flagellator n. sp., Ichneumon brevimaculatus n. sp., Ichneumon flavocoxalis n. sp., Ichneumon flavotibialis n. sp., Ichneumon megextensorius n. sp., Ichneumon pilocephalus n. sp., Ichneumon taegeri n. sp., Monontos baikalensis n. sp.