Oppiella (Rhinoppia) hygrophila (Mahunka, 1987)
Within the genus there are 40 species approximately (Subias 2017). About 15 species are presented to Europe (Subias 2017). For Ukraine, including the Transcarpathian region, the genus Oppiella has 5 species (including O. hygrophila) (Yaroshenko 2000, Melamud 2009).
Material. 2 adults, Ukraine, Zakarpattia Region, Berehove district, vicinity of Velyki Berehy, 48.222434º N, 22.781095º E, hygrophilic meadow, Borzhava river basin, 26 Oct 2013, leg. H. H. Hushtan (Fig.1, study site 1) .
Distribution. Central-eastern Europe (Subias 2018). Ukraine (first record). Currently, the position in Zakarpattia is the easternmost place of the occurrence.
Ecology. Moist soil of meadows, steppes, woody plants and bogs (Weigmann & Miko 2006).
Diagnosis. Body length 315–355 µm. Sensillus spindle-shaped or weakly clavicular, distal with a few short bristles. Lamellar costulae reduced, but at least partially preserved in the proximal part of the bothridia. Notogaster keels is hardly recognizable (in dorsal view) (Weigmann & Miko 2006).