Plant-parasitic nematode Xiphinema parataylori Lazarova et al., 2019 (Nematoda: Longidoridae) from Poland: first report outside the place of species original description

Plant-parasitic nematodes of the genus Xiphinema Cobb, 1913 constitute a group of soilinhabiting, polyphagous ectoparasites of plant roots, some of which are also vectors of nepoviruses. In this study, 1237 soil samples were taken from different regions of Poland. In two of these samples (0.16% of all collected) Xiphinema parataylori Lazarova et al., 2019 was present, which constitutes not only the first record from Poland but also the first report outside the Czech Republic and Slovakia, where this species was initially described. Specimens from Poland were largely similar to those from the original description except for a slenderer body (maximal body thickness in two populations found 44.8 and 46.8 vs 54, 55 and 56 μm resulting in higher ‘a’ index: 50.0 and 50.8 vs 37.8, 40.7 and 41.2). Specimens from the Polish populations were also characterized based on the ITS1 molecular marker. Finally, both populations recorded from Poland were associated with wild pear (Pyrus pyraster) extending the number of known host plants.