Abstract
An overview of the Estonian terrestrial isopod fauna is given, based on literature data and material collected from 1984 to 2021. The identified material consisted of 10915 specimens belonging to 14 species and collected from 172 localities throughout Estonia. In combination with previous data from the literature data, there are now reliable records of 16 species of woodlice from Estonia. Two species, viz. Platyarthrushoffmannseggii Brandt, 1833 and Hyloniscusriparius (C. Koch, 1838), are new for the fauna. The latter has probably colonised Estonia recently and range expansions have been reported elsewhere. The data on Philosciamuscorum (Scopoli, 1763) are dubious, and this species is currently excluded from the Estonian list.
Highlights
The knowledge on Estonian terrestrial isopods is scattered in various publications, without a modern overview of the fauna
One species has been dubiously claimed to occur in Estonia, and it is presently not included in the checklist
We failed to find any records or specimens to support the occurrence of Philoscia muscorum (Scopoli, 1763) in Estonia, marked as “present” in Fauna Europaea database (Boxhall 2013)
Summary
The knowledge on Estonian terrestrial isopods is scattered in various publications, without a modern overview of the fauna. Some publications are in Estonian and may be inaccessible to the wider audience. Data on this group were first given by J. B. Fischer, who mentioned the presence of Oniscus asellus Linnaeus in Livonia (Fischer 1778: 167), an earlier administrative. Kaarel Sammet et al / ZooKeys 1067: 1–17 (2021)
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