2015

• Gómez, I.C., Sääksjärvi, I.E., Puhakka, L., Castillo, C. & Bordera, S. 2015: The Peruvian Amazonian species of Epirhyssa Cresson (Hymenoptera: Ichneumonidae: Rhyssinae), with notes on tropical species richness. Zootaxa 3937(2): 311–336. DOI: 10.11646/zootaxa.3937.2.4 . Reference page. 

• González-Moreno, A., Bordera, s. & Sääksjärvi, I.E. 2015: Description of three new species of Labena Cresson from Mexico (Hymenoptera, Ichneumonidae, Labeninae), with notes on tropical species richness. Zootaxa 3948(3): 573–586. DOI: 10.11646/zootaxa.3948.3.9 . Preview (PDF) Reference page. 

• Khalaim, A.I., Sääksjärvi, I.E. & Bordera, S. 2015: Tersilochinae of Western Amazonia (Hymenoptera: Ichneumonidae). Genus Stethantyx Townes, part 2. Zootaxa 3981(1): 95–106. DOI: 10.11646/zootaxa.3981.1.4 . Preview (PDF) Reference page. 

• Pádua, D.G., Oliveira, M.L. de, Onody, H.C., Sobczak, J.F., Sääksjärvi, I.E. & Gómez, I.C. 2015. The Brazilian Amazonian species of Hymenoepimecis Viereck, 1912 (Hymenoptera: Ichneumonidae: Pimplinae). Zootaxa 4058(2): 175–194. DOI: 10.11646/zootaxa.4058.2.2 . Preview (PDF) Reference page. 

• Reshchikov, A. & Sääksjärvi, I.E. 2015: Seven new species of the genus Physotarsus Townes 1966 (Hymenoptera, Ichneumonidae) from South America. Zootaxa 3972(1): 26–42. DOI: 10.11646/zootaxa.3972.1.2 . Preview (PDF) Reference page. 

• Sääksjärvi, I.E. & Bordera, S. 2015: A bizarre new species of Triclistus Förster (Hymenoptera: Ichneumonidae; Metopiinae) from Amazonia. Zootaxa 3955(4): 595–600. DOI: 10.11646/zootaxa.3955.4.10 . Preview (PDF) Reference page. 

• Sääksjärvi, I.E., Castillo, C., Bordera, S., Broad, G.R., Rinne, V. & Fritzén, N.R. 2015. Clistopyga caramba sp. nov. (Hymenoptera: Ichneumonidae; Pimplinae), an astonishing example of mimicry in spider-attacking parasitoid wasps. Zootaxa 4013(2): 287–292. DOI: 10.11646/zootaxa.4013.2.9 . Preview (PDF) Reference page. 

• Vahtera, V., Muona, J.E., Linna, A. & Sääksjärvi, I.E. 2015. Nine genera of Eucnemidae (Coleoptera) new to Peru, with a key to Peruvian genera. Biodiversity Data Journal 3: e4493. DOI: 10.3897/BDJ.3.e4493 . Reference page. 

2016

• Bordera, S., Mazon, M. & Sääksjärvi, I.E. 2016. The Neotropical species of Atractodes (Hymenoptera, Ichneumonidae, Cryptinae), I: the A. propodeator and A. altoandinus species-groups. Zootaxa 4137(1): 108–120. DOI: 10.11646/zootaxa.4137.1.8 . Reference page. 

• Reshchikov, A. & Sääksjärvi, I.E. 2016. ALEXEY RESHCHIKOV & ILARI EERIKKI SÄÄKSJÄRVI (2015) Seven new species of the genus Physotarsus Townes 1966 (Hymenoptera, Ichneumonidae) from South America. Zootaxa, 3972(1): 026–042. ERRATUM. Zootaxa 4109(5): 600–600. DOI: 10.11646/zootaxa.4109.5.9 . Full article (PDF) Reference page. 

• Bordera, S., Mazon, M. & Sääksjärvi, I.E. 2016. The Neotropical species of Atractodes (Hymenoptera, Ichneumonidae, Cryptinae), II: the A. pleuripunctatus species-group. Zootaxa 4161(3): 437–444. DOI: 10.11646/zootaxa.4161.3.11 . Reference page. 

2017

• Hippa, H., Kurina, O. & Sääksjärvi, I.E. 2017. The genus Manota Williston (Diptera: Mycetophilidae) in Peruvian Amazonia, with description of sixteen new species and notes on local species richness. Zootaxa 4236(1): 1–40. DOI: 10.11646/zootaxa.4236.1.1 . Reference page. 

2019

• Hopkins, T., Roininen, H., van Noort, S., Broad, G.R., Kaunisto, K. & Sääksjärvi, I.E. 2019. Extensive sampling and thorough taxonomic assessment of Afrotropical Rhyssinae (Hymenoptera, Ichneumonidae) reveals two new species and demonstrates the limitations of previous sampling efforts. ZooKeys, 878: 33–71. DOI: 10.3897/zookeys.878.37845 Reference page. 

• Pádua, D.G, Sääksjärvi, I.E, Monteiro, R.F & Oliviera, M.L 2019. New records of Ticapimpla Gauld, 1991 (Hymenoptera: Ichneumonidae: Pimplinae) from Brazil and French Guiana, with taxonomic notes. Biodiversity Data Journal, 7: e38141. DOI: 10.3897/BDJ.7.e38141 Reference page.