16.66, 56.827: 10 Treatments

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Ophion arenarius   sp. nov.  Johansson, Niklas & Cederberg, Björn, 2019, Review of the Swedish species of Ophion (Hymenoptera: Ichneumonidae: Ophioninae), with the description of 18 new species and an illustrated key to Swedish species, European Journal of Taxonomy 550, pp. 1-136 : 40-42 40-42
Ophion norei   sp. nov.  Johansson, Niklas & Cederberg, Björn, 2019, Review of the Swedish species of Ophion (Hymenoptera: Ichneumonidae: Ophioninae), with the description of 18 new species and an illustrated key to Swedish species, European Journal of Taxonomy 550, pp. 1-136 : 81-83 81-83
Ophion ellenae   sp. nov.  Johansson, Niklas & Cederberg, Björn, 2019, Review of the Swedish species of Ophion (Hymenoptera: Ichneumonidae: Ophioninae), with the description of 18 new species and an illustrated key to Swedish species, European Journal of Taxonomy 550, pp. 1-136 : 64-66 64-66
Ophion angularis   sp. nov.  Johansson, Niklas & Cederberg, Björn, 2019, Review of the Swedish species of Ophion (Hymenoptera: Ichneumonidae: Ophioninae), with the description of 18 new species and an illustrated key to Swedish species, European Journal of Taxonomy 550, pp. 1-136 : 37-40 37-40
Brachychochthonius immaculatus     Moritz, M., 1976, Revision der europäischen Gattungen und Arten der Familie Brachychthoniidae (Acari, Oribatei) Teil 2. Mixochthonius Niedbala, 1972, Neobrachychthonius nov. gen., Synchthonius v. d. Hammen, 1952, Poecilochthonius Balogh, 1943, Brachychthonius Berlese, 1910, Brachychochthonius Jacot, 1938, Mitteilungen aus dem Zoologischen Museum in Berlin 52, pp. 227-319 : 291-296 291-296
Ophion splendens   sp. nov.  Johansson, Niklas & Cederberg, Björn, 2019, Review of the Swedish species of Ophion (Hymenoptera: Ichneumonidae: Ophioninae), with the description of 18 new species and an illustrated key to Swedish species, European Journal of Taxonomy 550, pp. 1-136 : 97-99 97-99
Tetrastichus argutus   sp. n.  Hansson, Christer & Schmidt, Stefan, 2020, A revision of European species of the genus Tetrastichus Haliday (Hymenoptera: Eulophidae) using integrative taxonomy, Biodiversity Data Journal 8, pp. 59177-59177 : 59177 59177
Formica rufibarbis     Seifert, B. & Schultz, R., 2009, A taxonomic revision of the Formica rufibarbis Fabricius, 1793 group (Hymenoptera: Formicidae)., Myrmecologische Nachrichten 12, pp. 255-272 : 260-261 260-261
Tetrastichus bledius   sp. n.  Hansson, Christer & Schmidt, Stefan, 2020, A revision of European species of the genus Tetrastichus Haliday (Hymenoptera: Eulophidae) using integrative taxonomy, Biodiversity Data Journal 8, pp. 59177-59177 : 59177 59177
Tetrastichus acutiusculus     Hansson, Christer & Schmidt, Stefan, 2020, A revision of European species of the genus Tetrastichus Haliday (Hymenoptera: Eulophidae) using integrative taxonomy, Biodiversity Data Journal 8, pp. 59177-59177 : 59177 59177