16.494, 56.702: 12 Treatments

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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
Ophion broadi   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: 52-54 52-54
Ophion brocki   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: 54-56 54-56
Ophion confusus   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: 56-59 56-59
Ophion tenuicornis   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: 104-106 104-106
Enicospilus ryrholmi   sp. nov.  Johansson, Niklas, 2018, Review of the Swedish Enicospilus (Hymenoptera; Ichneumonidae; Ophioninae) with description of three new species and an illustrated key to species, European Journal of Taxonomy 483, pp. 1-21: 12-15 12-15
Enicospilus cederbergi   sp. nov.  Johansson, Niklas, 2018, Review of the Swedish Enicospilus (Hymenoptera; Ichneumonidae; Ophioninae) with description of three new species and an illustrated key to species, European Journal of Taxonomy 483, pp. 1-21: 3-8 3-8
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
Dineura testaceipes     Liston, Andrew, Prous, Marko & Vårdal, Hege, 2019, The West Palaearctic Dineura species, focussing on Sweden (Hymenoptera, Tenthredinidae), Zootaxa 4612 (4), pp. 501-517: 509-510 509-510
Tetrastichus inscitus   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 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
Tetrastichus suecus   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