Notes on the Malacofauna of Ismaros Mts. (N Greece, Rhodopi County)

Georgiev, Dilian; Ivanova, Veselina

doi:10.37828/em.2015.3.11

Cited by 1 publication

(2 citation statements)

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“…For the map (Fig. 4), together with our new findings, we started with the published data (grossu 1983, wIktor 1987, kraMarenko & sverlova 2001, son 2004, leonov 2007, Balashov et al 2013, teleBak et al 2013, georgIev & Ivanova 2015, georgIev 2016, 2017, gural-sverlova et al 2019, Čejka et al 2020, turócI et al 2020, Gojšina 2021, duda et al 2022. The following reports from the online databases iNaturalist (www.inaturalist.org) and UkrBIN (www.ukrbin.com) We only used those observations from the online databases where we were able to confirm or make reliable identifications as T. kusceri.…”

Section: Methodsmentioning

confidence: 98%

“…About 12 species of terrestrial slugs are expanding their ranges in Eastern Europe, with several being extremely important pests (sverlova et al 2006, son 2010, Balashov & BaIdashnIkov 2012, Balashov 2016, Balashov et al 2018a, gural-sverlova et al 2019, turócI et al 2020, Balashov & Markova 2021. One of these invasive species is Tandonia kusceri (Wagner, 1931) (Milacidae), a large slug (up to 10 cm) originally distributed in the central and northern parts of the Balkan peninsula: in Bulgaria, the European part of Turkey, northern Greece, North Macedonia, southern Serbia and Dobrudzha in eastern Romania (wIktor 1987, 1996, welter-schultes 2012, georgIev & Ivanova 2015, georgIev 2016. At least since 1902 T. kusceri is also present in Odessa region of Ukraine (lIndholM 1908(lIndholM , son 2004(lIndholM , sverlova et al 2006(lIndholM , gural-sverlova et al 2019.…”

Section: Introductionmentioning

confidence: 99%

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Expansion of the invasive Balkan slug Tandonia kusceri (Stylommatophora: Milacidae): A new frontier in northern Ukraine and other new records

Balashov¹,

Markova²

2023

Folia Malacol.

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The distribution of the invasive slug Tandonia kusceri is reviewed and mapped with our new findings and previously unpublished recent reports based on photographs from citizen science databases (iNaturalist, UkrBIN). Two new colonies of T. kusceri were found and monitored in Kyiv city (Northern Ukraine) during the 2021–2022. These colonies are about 350 km north from the nearest previously published records of this species, as well as any other species of Milacidae in Eastern Europe. The slugs inhabit the urban open and semi-open landscapes of Kyiv city together with several other invasive molluscs, in one locality notably together with Oxychilus translucidus, Harmozica ravergiensis and Xerolenta obvia. One specimen of T. kusceri was found in a basement of a private estate in Radyvyliv town (Rivne region, Northern Ukraine) in 2020, but it is unknown whether it represents an established colony. Previously unpublished reports of T. kusceri on iNaturalist include two reliable findings from the Caucasian region, in Georgia and Russia, both in 2021. These are the first reports of any Tandonia in Caucasus, as well as in the mentioned countries, with one in Georgia being the eastmost frontier for this genus. In addition to a previously published 2013 report of T. kusceri near Chicago, USA, there are multiple iNaturalist reports of this slug in southern Ontario, Canada (600 km east of Chicago), starting from 2017. Moreover, there are several new reports of T. kusceri in Ukraine, including Kherson, Dnipro, Kryvyi Rig, Marhanets and Kamianets-Podilskyi cities. Considering that most of our new T. kusceri records are from the 2020s, it is most likely that slug has invaded these regions very recently and is still continuing to expand northward and eastward in Europe. This species is expected to further extend its range both in Europe and North America.

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