11.409, 58.446: 13 Treatments

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Ophion matti   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 : 77-79 77-79
Ophion paukkuneni   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 : 89-91 89-91
Ophion inclinans   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 : 67-69 67-69
Ophion paraparvulus   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 : 86-88 86-88
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
Tetrastichus ballotus   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
Ceropales (Ceropales) pallida   sp. nov.  Ødegaard, Frode, Abenius, Johan & Paukkunen, Juho, 2022, Ceropales pallida sp. nov. (Hymenoptera, Pompilidae, Ceropalinae) described from northern Europe, Zootaxa 5159 (1), pp. 103-116 : 104-113 104-113
Campylaimus orientalis     Holovachov, Oleksandr, 2019, New and known species of the genus Campylaimus Cobb, 1920 (Nematoda: Araeolaimida: Diplopeltidae) from North European marine habitats, Biodiversity Data Journal 7, pp. 46545-46545 : 46545 46545
Campylaimus minutus     Holovachov, Oleksandr, 2019, New and known species of the genus Campylaimus Cobb, 1920 (Nematoda: Araeolaimida: Diplopeltidae) from North European marine habitats, Biodiversity Data Journal 7, pp. 46545-46545 : 46545 46545
Campylaimus tkatchevi     Holovachov, Oleksandr, 2019, New and known species of the genus Campylaimus Cobb, 1920 (Nematoda: Araeolaimida: Diplopeltidae) from North European marine habitats, Biodiversity Data Journal 7, pp. 46545-46545 : 46545 46545
Campylaimus gerlachi     Holovachov, Oleksandr, 2019, New and known species of the genus Campylaimus Cobb, 1920 (Nematoda: Araeolaimida: Diplopeltidae) from North European marine habitats, Biodiversity Data Journal 7, pp. 46545-46545 : 46545 46545
Campylaimus amphidialis     Holovachov, Oleksandr, 2019, New and known species of the genus Campylaimus Cobb, 1920 (Nematoda: Araeolaimida: Diplopeltidae) from North European marine habitats, Biodiversity Data Journal 7, pp. 46545-46545 : 46545 46545
Campylaimus striatus     Holovachov, Oleksandr, 2019, New and known species of the genus Campylaimus Cobb, 1920 (Nematoda: Araeolaimida: Diplopeltidae) from North European marine habitats, Biodiversity Data Journal 7, pp. 46545-46545 : 46545 46545