Biodiversity Unit of the University of Turku
- First description of Cedicoides pavlovskyi female (Aranei: Trionycha) and comments on taxonomic placement of Cedicus and related genera (2023)
- First description of the male of Cryptothele verrucosa L. Koch, 1872 (Araneae), the type species of the genus (2013)
- First description of the male of Tegenaria zamanii Marusik & Omelko, 2014 (Araneae: Agelenidae) from northern Iran (2015)
- First description of the male of the easternmost Harpactea species, H. parthica (Araneae: Dysderidae) (2017)
- First description of the male of Zelotes haifaensis Levy, 2009 (Aranei: Gnaphosidae) (2013)
- First DNA barcoding of Dysderidae (Araneae) from Kosovo, with new records and the description of a new species of Harpactea Bristowe, 1939 (2025)
- First encounter of European bat lyssavirus type 2 (EBLV-2) in a bat in Finland (2010)
- First evidence of Ixodiphagus hookeri (Hymenoptera: Encyrtidae) parasitization in Finnish castor bean ticks (Ixodes ricinus) (2019)
- First Nordic record of Pandava laminata (Araneae: Titanoecidae), with a synopsis of anthropochorous species of spiders in Finland (2025)
- First record of an indoor pest sawtoothed grain beetle Oryzaephilus surinamensis (Coleoptera: Silvanidae) from wild outdoor wood ant nest (2012)