Tumanov D.V.1*, Androsova E.D.1, Avdeeva G.S.1, Leontev A.A.2 2022. First faunistic investigation of semiterrestrial tardigrade fauna of North-West Russia using the method of DNA barcoding // Invertebrate Zoology. Vol.19. No.4: 452–474 [in English].

1 Department of Invertebrate Zoology, Faculty of Biology, Saint Petersburg State University, Universitetskaya nab., 7–9, Saint Petersburg, 199034, Russia.

2 Soil Science & Soil Ecology Department, Institute of Earth Sciences, Saint Petersburg State University, 16 Linija, 29, Saint Petersburg, 199178, Russia.

* Corresponding author: d.tumanov@spbu.ru

Denis Tumanov: ORCID 0000-0002-4190-4175

doi: 10.15298/invertzool.19.4.08

ABSTRACT: In this paper we present results of the first faunistic investigation of semiterrestrial tardigrade fauna of the North-West Russia using the methods of integrative taxonomy. For our analysis we collected moss samples in five different points of the region. For all the species found in addition to the morphological analysis using light and scanning electron microscopy we obtained data on mitochondrial COI gene sequences and in some cases additional data on 18S rRNA, 28rRNA and ITS-2 sequences. The number of tardigrade species known for the Russian fauna confirmed with molecular data is raised from 3 to 13. Among 11 species found during this investigation four are new for the fauna of Russia (Milnesium dornensis, M. berladnicorum, Mesocrista revelata, and Paramacrobiotus fairbanksi). For three species, previously noted for the Russian fauna their presence was for the first time supported with molecular data (Adropion scoticum, Ramazzottius oberhaeuseri, and Macrobiotus hufelandi). In the case of three other species found (Diphascon cf. pingue, Pilatobius cf. bullatus, and Minibiotus cf. intermedius) our analysis revealed significant genetic differences between the populations studied here and the data obtained from GenBank.

KEY WORDS: Tardigrada, distribution, zoogeography, taxonomy, DNA-barcoding, fauna of Russia.

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