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1 Державний природознавчий музей НАН України, м. Львів
e-mail: rizunv@ukr.net, yanytsky@gmail.com
2 Карпатський національний університет імені Василя Стефаника,
м. Івано-Франківськ
e-mail: st.naturalist@gmail.com

RizunV.B., Yanytsky T.P., Zamoroka A.M.
Dixus clypeatus (P. Rossi, 1790) (Coleoptera, Carabidae) – a new species and genus for the
fauna of the western region of Ukraine
None of thes pecies of the genus Dixus Billberg, 1820 (Coleoptera, Carabidae) had previously been
reported from the western region of Ukraine or the Ukrainian Carpathians. The first discovery of Dixus
clypeatus Rossi, 1790 by T.P. Yanytsky (28 June 2025, Sheshory) and the second by Bohdan Fedorchak
(14 August 2025, Bohorodchany) indicate the spread of the species in the Precarpathian region.
Apparently, the species migrates from the south-east along the Pre-Carpathian highlands. Considering
that two finds of the species were registered in 2025, it is quite likely that it is more widespread in the
north-eastern foothills of the Ukrainian Carpathians, and possibly in the Prut-Dnister highland region.
Only time will tell whether Dixus clypeatus Rossi, 1790 will become an invasive species, but
considering that species of the genus are characterised as megathermophiles and xerophiles, as well
as regional climatic, landscape features and vegetation, it is most likely that the species will settle in
the most optimal local habitats for it. A key element in the control and eradication of invasive species
is their monitoring or an Early Detection and Rapid Response (EDRR) system, which should be
considered as a fundamental principle of effective and cost-efficient strategies for combating invasive
species.
Keywords: Dixus, Coleoptera, Carabidae, biodiversity, invasion, fauna, monitoring.